FOOTSAM / CONNECTIONS
Mark O'Brien
Explore connections between players, coaches and clubs. See who has played together, who has faced whom and who has represented a club.
Who has Mark O'Brien played with most?
Most confirmed shared appearances:
- Mickey Demetriou97shared appearances
- Pádraig Amond97shared appearances
- Joseph Day93shared appearances
Who has Mark O'Brien faced most often?
Most confirmed meetings as opponents:
- Luke Joyce7confirmed meetings
- Daniel Rose6confirmed meetings
- Jake Carroll6confirmed meetings
Who has Mark O'Brien played with most?
Players with confirmed appearances in the same team as Mark O'Brien.
| # | Players | Comparison | Shared appearances |
|---|---|---|---|
| 01 | 21 Jan 2017 – 25 Jan 2020 | ||
| 01 | 26 Aug 2017 – 25 Jan 2020 | ||
| 03 | 7 Jan 2017 – 25 May 2019 | ||
| 04 | 7 Jan 2017 – 25 May 2019 | ||
| 05 | 7 Jan 2017 – 25 Jan 2020 | ||
| 06 | 5 Aug 2017 – 25 Jan 2020 | ||
| 07 | 5 Aug 2017 – 25 Jan 2020 | ||
| 08 | 14 Jan 2017 – 25 Jan 2020 | ||
| 09 | 4 March 2017 – 18 Jan 2020 | ||
| 10 | 7 Jan 2017 – 30 Apr 2019 | ||
| 10 | 1 Sep 2018 – 25 Jan 2020 | ||
| 12 | 5 Aug 2017 – 5 May 2018 | ||
| 13 | 6 Aug 2011 – 9 Feb 2013 | ||
| 14 | 12 Aug 2017 – 28 Apr 2018 | ||
| 15 | 7 Jan 2017 – 5 May 2018 | ||
| 15 | 1 Sep 2018 – 25 May 2019 | ||
| 17 | 6 Aug 2011 – 9 Feb 2013 | ||
| 17 | 6 Aug 2011 – 9 Feb 2013 | ||
| 17 | 9 Aug 2011 – 9 Feb 2013 | ||
| 17 | 13 Aug 2019 – 25 Jan 2020 | ||
| 21 | 6 Aug 2011 – 9 Feb 2013 | ||
| 21 | 17 Aug 2019 – 25 Jan 2020 | ||
| 21 | 6 Aug 2011 – 9 Feb 2013 | ||
| 24 | 6 Aug 2011 – 9 Feb 2013 | ||
| 25 | 19 Jan 2019 – 25 May 2019 | ||
| 26 | 4 Feb 2017 – 3 Dec 2017 | ||
| 26 | 5 Aug 2017 – 24 March 2018 | ||
| 28 | 6 Aug 2011 – 26 Dec 2011 | ||
| 29 | 6 Aug 2011 – 26 Dec 2011 | ||
| 30 | 1 Sep 2018 – 19 Feb 2019 | ||
| 30 | 30 Aug 2014 – 23 May 2015 | ||
| 30 | 17 Aug 2019 – 25 Jan 2020 | ||
| 30 | 14 Jan 2017 – 18 Nov 2017 | ||
| 34 | 17 Aug 2019 – 21 Dec 2019 | ||
| 34 | 30 Aug 2014 – 23 May 2015 | ||
| 34 | 28 Jan 2017 – 6 May 2017 | ||
| 34 | 30 Aug 2014 – 16 May 2015 | ||
| 38 | 22 Sep 2018 – 26 Jan 2019 | ||
| 38 | 30 Aug 2014 – 23 May 2015 | ||
| 38 | 30 Aug 2014 – 16 May 2015 | ||
| 38 | 30 Aug 2014 – 16 May 2015 | ||
| 38 | 30 Aug 2014 – 23 May 2015 | ||
| 43 | 23 Feb 2019 – 25 May 2019 | ||
| 43 | 21 Jan 2017 – 29 Apr 2017 | ||
| 43 | 13 Aug 2019 – 25 Jan 2020 | ||
| 46 | 7 Jan 2017 – 29 Apr 2017 | ||
| 46 | 17 Sep 2011 – 9 Feb 2013 | ||
| 46 | 13 Aug 2019 – 4 Jan 2020 | ||
| 46 | 31 Aug 2019 – 18 Jan 2020 | ||
| 50 | 19 Feb 2019 – 12 May 2019 |
A match counts when both players have confirmed appearances. Starts, confirmed substitutes and recorded goals, assists or substitutions count. Unused substitutes and cards alone do not count. Each match counts once per connection. Historical coverage may be incomplete.
Has Mark O'Brien played with or faced a particular player or team?
Expand the complete recorded connections below. A shared match means both players have confirmed appearances. A missing name is not proof that two players have never played together or faced each other: historical line-ups may be incomplete.
Who has Mark O'Brien played with?
- Mickey Demetriou — 97 shared appearances with Mark O'Brien. 21 Jan 2017 – 25 Jan 2020.
- Pádraig Amond — 97 shared appearances with Mark O'Brien. 26 Aug 2017 – 25 Jan 2020.
- Joseph Day — 93 shared appearances with Mark O'Brien. 7 Jan 2017 – 25 May 2019.
- Dan Butler — 92 shared appearances with Mark O'Brien. 7 Jan 2017 – 25 May 2019.
- Scot Bennett — 86 shared appearances with Mark O'Brien. 7 Jan 2017 – 25 Jan 2020.
- Robbie Willmott — 83 shared appearances with Mark O'Brien. 5 Aug 2017 – 25 Jan 2020.
- Matthew Dolan — 78 shared appearances with Mark O'Brien. 5 Aug 2017 – 25 Jan 2020.
- Joshua Sheehan — 70 shared appearances with Mark O'Brien. 14 Jan 2017 – 25 Jan 2020.
- Joss Labadie — 65 shared appearances with Mark O'Brien. 4 Mar 2017 – 18 Jan 2020.
- David Pipe — 62 shared appearances with Mark O'Brien. 7 Jan 2017 – 30 Apr 2019.
- Jamille Matt — 62 shared appearances with Mark O'Brien. 1 Sept 2018 – 25 Jan 2020.
- Frank Nouble — 32 shared appearances with Mark O'Brien. 5 Aug 2017 – 5 May 2018.
- Jeffrey Hendrick — 31 shared appearances with Mark O'Brien. 6 Aug 2011 – 9 Feb 2013.
- Benjamin White — 29 shared appearances with Mark O'Brien. 12 Aug 2017 – 28 Apr 2018.
- Ben Tozer — 28 shared appearances with Mark O'Brien. 7 Jan 2017 – 5 May 2018.
- Tyreeq Bakinson — 28 shared appearances with Mark O'Brien. 1 Sept 2018 – 25 May 2019.
- Ben Davies — 27 shared appearances with Mark O'Brien. 6 Aug 2011 – 9 Feb 2013.
- Craig Bryson — 27 shared appearances with Mark O'Brien. 6 Aug 2011 – 9 Feb 2013.
- Gareth Roberts — 27 shared appearances with Mark O'Brien. 9 Aug 2011 – 9 Feb 2013.
- Tristan Abrahams — 27 shared appearances with Mark O'Brien. 13 Aug 2019 – 25 Jan 2020.
- John Brayford — 26 shared appearances with Mark O'Brien. 6 Aug 2011 – 9 Feb 2013.
- Ryan Haynes — 26 shared appearances with Mark O'Brien. 17 Aug 2019 – 25 Jan 2020.
- Theo Robinson — 26 shared appearances with Mark O'Brien. 6 Aug 2011 – 9 Feb 2013.
- Jamie Ward — 25 shared appearances with Mark O'Brien. 6 Aug 2011 – 9 Feb 2013.
- Regan Poole — 24 shared appearances with Mark O'Brien. 19 Jan 2019 – 25 May 2019.
- Sean Rigg — 22 shared appearances with Mark O'Brien. 4 Feb 2017 – 3 Dec 2017.
- Shawn McCoulsky — 22 shared appearances with Mark O'Brien. 5 Aug 2017 – 24 Mar 2018.
- Jason Shackell — 21 shared appearances with Mark O'Brien. 6 Aug 2011 – 26 Dec 2011.
- Francis Fielding — 20 shared appearances with Mark O'Brien. 6 Aug 2011 – 26 Dec 2011.
- Fraser Franks — 19 shared appearances with Mark O'Brien. 1 Sept 2018 – 19 Feb 2019.
- John Sutton — 19 shared appearances with Mark O'Brien. 30 Aug 2014 – 23 May 2015.
- Thomas King — 19 shared appearances with Mark O'Brien. 17 Aug 2019 – 25 Jan 2020.
- Thomas Owen-Evans — 19 shared appearances with Mark O'Brien. 14 Jan 2017 – 18 Nov 2017.
- Danny McNamara — 17 shared appearances with Mark O'Brien. 17 Aug 2019 – 21 Dec 2019.
- Josh Law — 17 shared appearances with Mark O'Brien. 30 Aug 2014 – 23 May 2015.
- Ryan Bird — 17 shared appearances with Mark O'Brien. 28 Jan 2017 – 6 May 2017.
- Stephen McManus — 17 shared appearances with Mark O'Brien. 30 Aug 2014 – 16 May 2015.
- Antoine Semenyo — 16 shared appearances with Mark O'Brien. 22 Sept 2018 – 26 Jan 2019.
- Daniel Twardzik — 16 shared appearances with Mark O'Brien. 30 Aug 2014 – 23 May 2015.
- Keith Lasley — 16 shared appearances with Mark O'Brien. 30 Aug 2014 – 16 May 2015.
- Lee Erwin — 16 shared appearances with Mark O'Brien. 30 Aug 2014 – 16 May 2015.
- Lionel Ainsworth — 16 shared appearances with Mark O'Brien. 30 Aug 2014 – 23 May 2015.
- Adebayo Azeez — 15 shared appearances with Mark O'Brien. 23 Feb 2019 – 25 May 2019.
- Alexander Samuel — 15 shared appearances with Mark O'Brien. 21 Jan 2017 – 29 Apr 2017.
- George Nurse — 15 shared appearances with Mark O'Brien. 13 Aug 2019 – 25 Jan 2020.
- Aaron Williams — 14 shared appearances with Mark O'Brien. 7 Jan 2017 – 29 Apr 2017.
- Adam Legzdiņš — 14 shared appearances with Mark O'Brien. 17 Sept 2011 – 9 Feb 2013.
- Corey Whitely — 14 shared appearances with Mark O'Brien. 13 Aug 2019 – 4 Jan 2020.
- Ryan Inniss — 14 shared appearances with Mark O'Brien. 31 Aug 2019 – 18 Jan 2020.
- Harry McKirdy — 13 shared appearances with Mark O'Brien. 19 Feb 2019 – 12 May 2019.
- Kyle Howkins — 13 shared appearances with Mark O'Brien. 13 Aug 2019 – 29 Nov 2019.
- Sidney Nelson — 13 shared appearances with Mark O'Brien. 7 Jan 2017 – 1 Apr 2017.
- Simon Ramsden — 13 shared appearances with Mark O'Brien. 30 Aug 2014 – 23 May 2015.
- William Hughes — 13 shared appearances with Mark O'Brien. 5 Nov 2011 – 9 Feb 2013.
- Conor Sammon — 12 shared appearances with Mark O'Brien. 27 Oct 2012 – 9 Feb 2013.
- Henrik Ojamaa — 12 shared appearances with Mark O'Brien. 30 Aug 2014 – 10 Jan 2015.
- Keanu Marsh-Brown — 12 shared appearances with Mark O'Brien. 1 Sept 2018 – 25 May 2019.
- Michael Jacobs — 12 shared appearances with Mark O'Brien. 27 Oct 2012 – 9 Feb 2013.
- Paul Coutts — 12 shared appearances with Mark O'Brien. 27 Oct 2012 – 9 Feb 2013.
- Richard Keogh — 12 shared appearances with Mark O'Brien. 27 Oct 2012 – 9 Feb 2013.
- Craig Reid — 11 shared appearances with Mark O'Brien. 30 Aug 2014 – 31 Jan 2015.
- Nicholas Townsend — 11 shared appearances with Mark O'Brien. 29 Sept 2018 – 21 Dec 2019.
- Steve Davies — 11 shared appearances with Mark O'Brien. 6 Aug 2011 – 15 Oct 2011.
- Darren Jones — 10 shared appearances with Mark O'Brien. 14 Jan 2017 – 14 Apr 2017.
- Fraser Kerr — 10 shared appearances with Mark O'Brien. 21 Sept 2014 – 31 Jan 2015.
- Lee Croft — 10 shared appearances with Mark O'Brien. 6 Aug 2011 – 22 Oct 2011.
- Mitchell Rose — 10 shared appearances with Mark O'Brien. 28 Jan 2017 – 14 Apr 2017.
- Stuart Carswell — 10 shared appearances with Mark O'Brien. 13 Sept 2014 – 23 May 2015.
- Taylor Maloney — 10 shared appearances with Mark O'Brien. 13 Aug 2019 – 21 Dec 2019.
- Craig Reid — 9 shared appearances with Mark O'Brien. 7 Jan 2017 – 21 Feb 2017.
- Jaanai Gordon-Hutton — 9 shared appearances with Mark O'Brien. 7 Jan 2017 – 22 Apr 2017.
- James Bailey — 9 shared appearances with Mark O'Brien. 6 Aug 2011 – 26 Dec 2011.
- Kevin Kilbane — 9 shared appearances with Mark O'Brien. 6 Aug 2011 – 29 Oct 2011.
- Mark Harris — 9 shared appearances with Mark O'Brien. 1 Sept 2018 – 1 Jan 2019.
- Marlon Jackson — 9 shared appearances with Mark O'Brien. 7 Jan 2017 – 6 Mar 2018.
- Paul Hayes — 9 shared appearances with Mark O'Brien. 7 Jan 2018 – 28 Apr 2018.
- Andrew Crofts — 8 shared appearances with Mark O'Brien. 24 Nov 2018 – 9 May 2019.
- Ben Kennedy — 8 shared appearances with Mark O'Brien. 23 Feb 2019 – 27 Apr 2019.
- Cameron McGeehan — 8 shared appearances with Mark O'Brien. 11 Aug 2015 – 24 Nov 2015.
- Iain Vigurs — 8 shared appearances with Mark O'Brien. 13 Sept 2014 – 13 Dec 2014.
- Mark Randall — 8 shared appearances with Mark O'Brien. 7 Jan 2017 – 6 May 2017.
- Scott Griffiths — 8 shared appearances with Mark O'Brien. 11 Aug 2015 – 24 Nov 2015.
- Tomasz Cywka — 8 shared appearances with Mark O'Brien. 9 Aug 2011 – 19 Nov 2011.
- Tyler Hornby-Forbes — 8 shared appearances with Mark O'Brien. 22 Sept 2018 – 12 Jan 2019.
- Aaron Collins — 7 shared appearances with Mark O'Brien. 17 Mar 2018 – 14 Dec 2019.
- Dominic Poleon — 7 shared appearances with Mark O'Brien. 14 Sept 2019 – 7 Dec 2019.
- Dominic Thomas — 7 shared appearances with Mark O'Brien. 20 Dec 2014 – 23 May 2015.
- Jonathan Smith — 7 shared appearances with Mark O'Brien. 22 Aug 2015 – 24 Nov 2015.
- Joshua McQuoid — 7 shared appearances with Mark O'Brien. 11 Aug 2015 – 24 Nov 2015.
- Luke Wilkinson — 7 shared appearances with Mark O'Brien. 11 Aug 2015 – 21 Nov 2015.
- Scott Cuthbert — 7 shared appearances with Mark O'Brien. 11 Aug 2015 – 24 Nov 2015.
- Christopher Maguire — 6 shared appearances with Mark O'Brien. 9 Aug 2011 – 19 Nov 2011.
- Conor Doyle — 6 shared appearances with Mark O'Brien. 1 Oct 2011 – 5 Jan 2013.
- Daniel Green — 6 shared appearances with Mark O'Brien. 22 Aug 2015 – 24 Nov 2015.
- Jazzi Barnum-Bobb — 6 shared appearances with Mark O'Brien. 7 Jan 2017 – 22 Apr 2017.
- Kieron Freeman — 6 shared appearances with Mark O'Brien. 8 Dec 2012 – 2 Feb 2013.
- Lamar Reynolds — 6 shared appearances with Mark O'Brien. 5 Aug 2017 – 9 Dec 2017.
- Mark Tyler — 6 shared appearances with Mark O'Brien. 11 Aug 2015 – 24 Nov 2015.
- Mason Bennett — 6 shared appearances with Mark O'Brien. 22 Oct 2011 – 5 Jan 2013.
- Nathan Tyson — 6 shared appearances with Mark O'Brien. 17 Sept 2011 – 1 Jan 2013.
- Oliver Lee — 6 shared appearances with Mark O'Brien. 25 Aug 2015 – 24 Nov 2015.
- Russell Anderson — 6 shared appearances with Mark O'Brien. 6 Aug 2011 – 29 Oct 2011.
- Steven Hammell — 6 shared appearances with Mark O'Brien. 4 Oct 2014 – 16 May 2015.
- Zaine Francis-Angol — 6 shared appearances with Mark O'Brien. 30 Aug 2014 – 13 Dec 2014.
- Alex Lawless — 5 shared appearances with Mark O'Brien. 22 Aug 2015 – 24 Nov 2015.
- Callum Ball — 5 shared appearances with Mark O'Brien. 18 Oct 2011 – 26 Dec 2011.
- Cameron Pring — 5 shared appearances with Mark O'Brien. 29 Sept 2018 – 24 Nov 2018.
- Jack Marriott — 5 shared appearances with Mark O'Brien. 11 Aug 2015 – 24 Nov 2015.
- James O'Connor — 5 shared appearances with Mark O'Brien. 27 Oct 2012 – 26 Jan 2013.
- Lewis Collins — 5 shared appearances with Mark O'Brien. 24 Aug 2019 – 4 Jan 2020.
- Paul Benson — 5 shared appearances with Mark O'Brien. 11 Aug 2015 – 21 Nov 2015.
- Paul Green — 5 shared appearances with Mark O'Brien. 19 Nov 2011 – 26 Dec 2011.
- Shaun Barker — 5 shared appearances with Mark O'Brien. 19 Nov 2011 – 26 Dec 2011.
- Stephen Pearson — 5 shared appearances with Mark O'Brien. 9 Aug 2011 – 16 May 2015.
- Conor Grant — 4 shared appearances with Mark O'Brien. 2 May 2015 – 23 May 2015.
- Craig Mackail-Smith — 4 shared appearances with Mark O'Brien. 22 Aug 2015 – 24 Nov 2015.
- Jake Buxton — 4 shared appearances with Mark O'Brien. 5 Nov 2011 – 8 Dec 2012.
- Luke Watt — 4 shared appearances with Mark O'Brien. 4 Jan 2015 – 23 May 2015.
- Michael Flynn — 4 shared appearances with Mark O'Brien. 28 Jan 2017 – 21 Feb 2017.
- Patrick McCourt — 4 shared appearances with Mark O'Brien. 22 Aug 2015 – 24 Nov 2015.
- Stephen O'Donnell — 4 shared appearances with Mark O'Brien. 11 Aug 2015 – 19 Sept 2015.
- Anthony Straker — 3 shared appearances with Mark O'Brien. 31 Jan 2015 – 23 May 2015.
- Charlie Cooper — 3 shared appearances with Mark O'Brien. 29 Sept 2018 – 24 Nov 2018.
- Craig Moore — 3 shared appearances with Mark O'Brien. 21 Jan 2015 – 23 May 2015.
- David Ferguson — 3 shared appearances with Mark O'Brien. 13 Dec 2014 – 27 Dec 2014.
- Emmanuel Osadebe — 3 shared appearances with Mark O'Brien. 23 Jan 2018 – 6 Mar 2018.
- George Long — 3 shared appearances with Mark O'Brien. 2 May 2015 – 16 May 2015.
- Joseph Quigley — 3 shared appearances with Mark O'Brien. 19 Aug 2017 – 30 Sept 2017.
- Jennison Myrie-Williams — 3 shared appearances with Mark O'Brien. 7 Jan 2017 – 8 Apr 2017.
- Marvin Johnson — 3 shared appearances with Mark O'Brien. 2 May 2015 – 16 May 2015.
- Pelly Mpanzu — 3 shared appearances with Mark O'Brien. 11 Aug 2015 – 29 Aug 2015.
- Reece Cole — 3 shared appearances with Mark O'Brien. 19 Aug 2017 – 2 Sept 2017.
- Ryan Hall — 3 shared appearances with Mark O'Brien. 22 Aug 2015 – 29 Aug 2015.
- Scott McDonald — 3 shared appearances with Mark O'Brien. 2 May 2015 – 16 May 2015.
- Stephen McNulty — 3 shared appearances with Mark O'Brien. 11 Aug 2015 – 19 Sept 2015.
- Tamás Priskin — 3 shared appearances with Mark O'Brien. 26 Nov 2011 – 10 Dec 2011.
- Ashley Baker — 2 shared appearances with Mark O'Brien. 18 Jan 2020 – 25 Jan 2020.
- Calaum Jahraldo-Martin — 2 shared appearances with Mark O'Brien. 5 Aug 2017 – 12 Aug 2017.
- Christopher Cadden — 2 shared appearances with Mark O'Brien. 13 Dec 2014 – 10 Jan 2015.
- Daniel Leadbitter — 2 shared appearances with Mark O'Brien. 13 Aug 2019 – 7 Sept 2019.
- Elliot Justham — 2 shared appearances with Mark O'Brien. 25 Aug 2015 – 29 Aug 2015.
- Jack Leitch — 2 shared appearances with Mark O'Brien. 18 Oct 2014 – 23 May 2015.
- Jordan Green — 2 shared appearances with Mark O'Brien. 18 Jan 2020 – 25 Jan 2020.
- Lenell John-Lewis — 2 shared appearances with Mark O'Brien. 29 Apr 2017 – 6 May 2017.
- Louis Laing — 2 shared appearances with Mark O'Brien. 31 Jan 2015 – 23 May 2015.
- Paul Lawson — 2 shared appearances with Mark O'Brien. 30 Aug 2014 – 13 Sept 2014.
- Tyler Reid — 2 shared appearances with Mark O'Brien. 3 Feb 2018 – 5 May 2018.
- Robert McHugh — 1 shared appearances with Mark O'Brien. 30 Aug 2014 – 30 Aug 2014.
- Billy Waters — 1 shared appearances with Mark O'Brien. 18 Jan 2020 – 18 Jan 2020.
- Dale Gorman — 1 shared appearances with Mark O'Brien. 18 Jan 2020 – 18 Jan 2020.
- Daniel Potts — 1 shared appearances with Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Dominic Jefferies — 1 shared appearances with Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Florent Bojaj — 1 shared appearances with Mark O'Brien. 14 Jan 2017 – 14 Jan 2017.
- Lazar Stojsavljević — 1 shared appearances with Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Max Blanchard — 1 shared appearances with Mark O'Brien. 10 Feb 2017 – 10 Feb 2017.
- Michael Hoganson — 1 shared appearances with Mark O'Brien. 1 Jan 2013 – 1 Jan 2013.
- Momodou Touray — 1 shared appearances with Mark O'Brien. 5 May 2018 – 5 May 2018.
- Nathan Doyle — 1 shared appearances with Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Ross MacLean — 1 shared appearances with Mark O'Brien. 10 Jan 2015 – 10 Jan 2015.
- Sean Long — 1 shared appearances with Mark O'Brien. 21 Nov 2015 – 21 Nov 2015.
- Vashon Neufville — 1 shared appearances with Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- William Randall-Hurren — 1 shared appearances with Mark O'Brien. 9 Mar 2019 – 9 Mar 2019.
Who has Mark O'Brien faced?
- Luke Joyce — 7 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 7 Sept 2019.
- Daniel Rose — 6 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 12 May 2019.
- Jake Carroll — 6 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 29 Sept 2018.
- Jevani Brown — 6 confirmed meetings against Mark O'Brien. 3 Dec 2017 – 26 Oct 2019.
- Kevin Ellison — 6 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 21 Dec 2019.
- Krystian Pearce — 6 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 12 May 2019.
- Neil Danns — 6 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 19 Apr 2019.
- Reginald Lambe — 6 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 13 Apr 2019.
- Alexander MacDonald — 5 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 12 May 2019.
- Bradley Halliday — 5 confirmed meetings against Mark O'Brien. 3 Dec 2017 – 13 Apr 2019.
- Gregory Taylor — 5 confirmed meetings against Mark O'Brien. 3 Dec 2017 – 13 Apr 2019.
- Harrison Dunk — 5 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 13 Apr 2019.
- James Gibbons — 5 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 7 Sept 2019.
- John Akinde — 5 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 27 Apr 2019.
- Luke Conlan — 5 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 21 Dec 2019.
- Luke Gambin — 5 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 26 Oct 2019.
- Malvind Benning — 5 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 12 May 2019.
- Michael Raynes — 5 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 12 Jan 2019.
- Nicholas Hunt — 5 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 24 Aug 2019.
- Scott Brown — 5 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 7 Sept 2019.
- Scott Cuthbert — 5 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 14 Dec 2019.
- Thomas Pett — 5 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 27 Apr 2019.
- Thomas Parkes — 5 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 21 Sept 2019.
- Adam Clayton — 4 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 5 Feb 2019.
- Adam Collin — 4 confirmed meetings against Mark O'Brien. 6 May 2017 – 5 Oct 2019.
- Andrew Williams — 4 confirmed meetings against Mark O'Brien. 10 Feb 2017 – 14 Sept 2019.
- Ashton Taylor — 4 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 12 Mar 2019.
- Ben Stevenson — 4 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 26 Oct 2019.
- Barry Roche — 4 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 27 Oct 2018.
- Benjamin Garratt — 4 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 12 Jan 2019.
- Billy Waters — 4 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 15 Mar 2019.
- Brian Easton — 4 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 31 Jan 2015.
- Callum Ainley — 4 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 12 Jan 2019.
- Carl Dickinson — 4 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 15 Sept 2018.
- Charlie Kirk — 4 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 24 Aug 2019.
- Chris Dagnall — 4 confirmed meetings against Mark O'Brien. 12 Aug 2017 – 6 Apr 2019.
- Christie Elliott — 4 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 5 Oct 2019.
- Christopher Clements — 4 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 15 Mar 2019.
- Christopher Hamilton — 4 confirmed meetings against Mark O'Brien. 13 Feb 2018 – 12 May 2019.
- Christopher Porter — 4 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 24 Aug 2019.
- Conrad Logan — 4 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 12 May 2019.
- Courtney Senior — 4 confirmed meetings against Mark O'Brien. 3 Feb 2018 – 26 Oct 2019.
- Cristian Montaño — 4 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 7 Sept 2019.
- Danny Grainger — 4 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 2 Mar 2019.
- Danny Pugh — 4 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 24 Feb 2018.
- David Amoo — 4 confirmed meetings against Mark O'Brien. 3 Dec 2017 – 7 Sept 2019.
- David Forde — 4 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 29 Sept 2018.
- David Worrall — 4 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 7 Sept 2019.
- Frankie Kent — 4 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 9 Mar 2019.
- Gary Liddle — 4 confirmed meetings against Mark O'Brien. 29 Apr 2017 – 2 Mar 2019.
- Gavin Gunning — 4 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 26 Dec 2018.
- George Maris — 4 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 29 Sept 2018.
- George Taft — 4 confirmed meetings against Mark O'Brien. 16 Dec 2017 – 13 Apr 2019.
- Gethin Jones — 4 confirmed meetings against Mark O'Brien. 9 Feb 2019 – 5 Oct 2019.
- Glenn Morris — 4 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 22 Oct 2019.
- Jorge Grant — 4 confirmed meetings against Mark O'Brien. 6 May 2017 – 12 May 2019.
- Jabo Ibehre — 4 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 29 Sept 2018.
- Jake Jervis — 4 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 2 Nov 2019.
- Jake Taylor — 4 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 21 Sept 2019.
- Jon Stead — 4 confirmed meetings against Mark O'Brien. 15 Dec 2012 – 19 Feb 2019.
- Jordan Bowery — 4 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 12 Jan 2019.
- Jordan Cook — 4 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 20 Nov 2019.
- Kaiyne Woolery — 4 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 18 Jan 2020.
- Kurtis Guthrie — 4 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 14 Dec 2019.
- Leon Legge — 4 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 7 Sept 2019.
- Lewis Alessandra — 4 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 21 Dec 2019.
- Liam O'Neil — 4 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 29 Sept 2018.
- Luke Varney — 4 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 15 Mar 2019.
- Matthew Green — 4 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 20 Nov 2019.
- Michael Bostwick — 4 confirmed meetings against Mark O'Brien. 27 Oct 2012 – 27 Apr 2019.
- Michael Doyle — 4 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 19 Feb 2019.
- Michael O'Halloran — 4 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 31 Jan 2015.
- Michael Rose — 4 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 22 Apr 2019.
- Mikaël Mandron — 4 confirmed meetings against Mark O'Brien. 3 Feb 2018 – 13 Aug 2019.
- Nathan Smith — 4 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 7 Sept 2019.
- Nicholas Adams — 4 confirmed meetings against Mark O'Brien. 29 Apr 2017 – 14 Sept 2019.
- Pierce Sweeney — 4 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 21 Sept 2019.
- Paul Lewis — 4 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 29 Sept 2018.
- Perry Ng — 4 confirmed meetings against Mark O'Brien. 12 Aug 2017 – 24 Aug 2019.
- Robert Hunt — 4 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 18 Jan 2020.
- Reuben Reid — 4 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 26 Dec 2018.
- Ronnie Henry — 4 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 1 Jan 2019.
- Ryan Jackson — 4 confirmed meetings against Mark O'Brien. 3 Feb 2018 – 26 Oct 2019.
- Ryan Wintle — 4 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 24 Aug 2019.
- Stephen O'Donnell — 4 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 21 Mar 2017.
- Thomas Eastman — 4 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 26 Oct 2019.
- Tom Pope — 4 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 7 Sept 2019.
- Tyler Walker — 4 confirmed meetings against Mark O'Brien. 7 Jan 2017 – 12 May 2019.
- Yoann Arquin — 4 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 15 Sept 2018.
- Aden Flint — 3 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 5 Feb 2019.
- Aaron Collins — 3 confirmed meetings against Mark O'Brien. 17 Nov 2018 – 31 Aug 2019.
- Aaron Wildig — 3 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 21 Dec 2019.
- Adam McGurk — 3 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 23 Jan 2018.
- Adam Rooney — 3 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 2 Nov 2019.
- Adebayo Azeez — 3 confirmed meetings against Mark O'Brien. 3 Dec 2017 – 29 Sept 2018.
- Alan Mannus — 3 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Jan 2015.
- Alan Sheehan — 3 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 17 Mar 2018.
- Alexander Kenyon — 3 confirmed meetings against Mark O'Brien. 23 Jan 2018 – 21 Dec 2019.
- Andrew Fleming — 3 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 4 May 2019.
- Barry Corr — 3 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 29 Sept 2018.
- Ben Kennedy — 3 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 1 Jan 2019.
- Ben Nugent — 3 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 14 Dec 2019.
- Billy Kee — 3 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 24 Apr 2018.
- Bradley Walker — 3 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 1 Dec 2018.
- Brennan Dickenson — 3 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 9 Mar 2019.
- Brian Graham — 3 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Jan 2015.
- Christy Pym — 3 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 19 Jan 2019.
- Cole Stockton — 3 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 21 Dec 2019.
- Callum Lang — 3 confirmed meetings against Mark O'Brien. 23 Jan 2018 – 30 Apr 2019.
- Christopher Hussey — 3 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 15 Mar 2019.
- Christopher McCann — 3 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 23 Nov 2019.
- Christopher Missilou — 3 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 23 Nov 2019.
- Christopher Stokes — 3 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 19 Apr 2019.
- Connor Jennings — 3 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 25 May 2019.
- Daniel Mayor — 3 confirmed meetings against Mark O'Brien. 23 Oct 2018 – 17 Aug 2019.
- Daniel Powell — 3 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 24 Aug 2019.
- Daniel Rose — 3 confirmed meetings against Mark O'Brien. 9 Apr 2019 – 18 Jan 2020.
- Danny Collins — 3 confirmed meetings against Mark O'Brien. 19 Jan 2013 – 23 Sept 2017.
- Danny Hylton — 3 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 17 Mar 2018.
- David Cornell — 3 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 14 Sept 2019.
- David Perkins — 3 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 25 May 2019.
- Dayle Grubb — 3 confirmed meetings against Mark O'Brien. 6 Mar 2018 – 31 Aug 2019.
- Diallang Jaiyesimi — 3 confirmed meetings against Mark O'Brien. 23 Sept 2017 – 18 Jan 2020.
- Dominic Telford — 3 confirmed meetings against Mark O'Brien. 23 Oct 2018 – 17 Aug 2019.
- Emmanuel Monthe — 3 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 25 May 2019.
- Edward Nolan — 3 confirmed meetings against Mark O'Brien. 12 Aug 2017 – 24 Aug 2019.
- Elliott Hewitt — 3 confirmed meetings against Mark O'Brien. 6 May 2017 – 20 Nov 2019.
- Enzio Boldewijn — 3 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 19 Feb 2019.
- Farrend Rawson — 3 confirmed meetings against Mark O'Brien. 6 Mar 2018 – 31 Aug 2019.
- Frank Nouble — 3 confirmed meetings against Mark O'Brien. 17 Nov 2018 – 26 Oct 2019.
- Fraser Franks — 3 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 5 Aug 2017.
- Gary Warren — 3 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 30 Mar 2019.
- George Friend — 3 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 5 Feb 2019.
- George Ray — 3 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 12 Jan 2019.
- Gethin Jones — 3 confirmed meetings against Mark O'Brien. 9 May 2019 – 5 Oct 2019.
- Glen Rea — 3 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 17 Mar 2018.
- Harry Anderson — 3 confirmed meetings against Mark O'Brien. 23 Dec 2017 – 27 Apr 2019.
- Hallam Hope — 3 confirmed meetings against Mark O'Brien. 9 Dec 2017 – 5 Oct 2019.
- Harry Cornick — 3 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 17 Mar 2018.
- Harry Pickering — 3 confirmed meetings against Mark O'Brien. 12 Aug 2017 – 12 Jan 2019.
- Janoi Donacien — 3 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 24 Apr 2018.
- Jonathan Smith — 3 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 23 Nov 2019.
- Jack Bonham — 3 confirmed meetings against Mark O'Brien. 9 Dec 2017 – 13 Aug 2019.
- Jack Stacey — 3 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 17 Mar 2018.
- Jackson Irvine — 3 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 2 May 2015.
- Jacob Mellis — 3 confirmed meetings against Mark O'Brien. 9 Feb 2019 – 12 May 2019.
- Jamal Campbell-Ryce — 3 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 5 May 2018.
- James Collins — 3 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 17 Mar 2018.
- James Craigen — 3 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 23 May 2015.
- James Jones — 3 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 12 Jan 2019.
- James McKeown — 3 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 20 Nov 2019.
- James Norwood — 3 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 25 May 2019.
- Jamille Matt — 3 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 23 Sept 2017.
- John O'Sullivan — 3 confirmed meetings against Mark O'Brien. 9 Dec 2017 – 21 Dec 2019.
- Jordan Clark — 3 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 24 Apr 2018.
- Jordan Cranston — 3 confirmed meetings against Mark O'Brien. 27 Oct 2018 – 21 Dec 2019.
- Jordan Tillson — 3 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 15 Mar 2019.
- Joseph Mills — 3 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 31 Aug 2019.
- Joseph Murphy — 3 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 19 Apr 2019.
- Joshua Payne — 3 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 29 Dec 2018.
- Joshua Vickers — 3 confirmed meetings against Mark O'Brien. 21 Jan 2017 – 27 Apr 2019.
- Kane Vincent-Young — 3 confirmed meetings against Mark O'Brien. 3 Feb 2018 – 9 Mar 2019.
- Kane Hemmings — 3 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 19 Feb 2019.
- Kevin Thomson — 3 confirmed meetings against Mark O'Brien. 1 Jan 2013 – 10 Jan 2015.
- Kgosietsile Ntlhe — 3 confirmed meetings against Mark O'Brien. 27 Oct 2012 – 11 Jan 2020.
- Kieron Morris — 3 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 25 May 2019.
- Kris Doolan — 3 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 23 May 2015.
- Kyle Bennett — 3 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 9 Apr 2019.
- Luke Hannant — 3 confirmed meetings against Mark O'Brien. 24 Feb 2018 – 29 Jan 2019.
- Lee Collins — 3 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 26 Dec 2018.
- Lee Croft — 3 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Jan 2015.
- Lee Novak — 3 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 11 Jan 2020.
- Lloyd James — 3 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 26 Dec 2018.
- Luke Prosser — 3 confirmed meetings against Mark O'Brien. 3 Feb 2018 – 26 Oct 2019.
- Luke Waterfall — 3 confirmed meetings against Mark O'Brien. 23 Dec 2017 – 20 Nov 2019.
- Mark Connolly — 3 confirmed meetings against Mark O'Brien. 8 May 2015 – 29 Dec 2018.
- Mark Ellis — 3 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 6 Apr 2019.
- Mark Gillespie — 3 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 4 Nov 2017.
- Mark Hughes — 3 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 24 Apr 2018.
- Matthew Rhead — 3 confirmed meetings against Mark O'Brien. 23 Dec 2017 – 27 Apr 2019.
- Michael Doughty — 3 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 28 Sept 2019.
- Michael Gardyne — 3 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 2 May 2015.
- Michael Jones — 3 confirmed meetings against Mark O'Brien. 9 Dec 2017 – 5 Oct 2019.
- Michael Nelson — 3 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 21 Nov 2017.
- Mitchell Rose — 3 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 19 Feb 2019.
- Neal Eardley — 3 confirmed meetings against Mark O'Brien. 23 Dec 2017 – 27 Apr 2019.
- Nicholas Maynard — 3 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 19 Apr 2019.
- Oliver Banks — 3 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 25 May 2019.
- Paul Mullin — 3 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 22 Sept 2018.
- Panutche Camará — 3 confirmed meetings against Mark O'Brien. 26 Sept 2017 – 22 Oct 2019.
- Paul Green — 3 confirmed meetings against Mark O'Brien. 8 Dec 2012 – 24 Aug 2019.
- Peter Clarke — 3 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 30 Apr 2019.
- Piero Mingoia — 3 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 4 May 2019.
- Reece Brown — 3 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 26 Dec 2018.
- Richard Bennett — 3 confirmed meetings against Mark O'Brien. 9 Dec 2017 – 7 Sept 2019.
- Ryan Sweeney — 3 confirmed meetings against Mark O'Brien. 9 Feb 2019 – 12 May 2019.
- Samuel Hoskins — 3 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 14 Sept 2019.
- Samuel Lavelle — 3 confirmed meetings against Mark O'Brien. 23 Jan 2018 – 4 May 2019.
- Samuel Szmodics — 3 confirmed meetings against Mark O'Brien. 3 Feb 2018 – 9 Mar 2019.
- Scott Brown — 3 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 24 Apr 2018.
- Scott Davies — 3 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 25 May 2019.
- Scott Wharton — 3 confirmed meetings against Mark O'Brien. 22 Dec 2018 – 14 Sept 2019.
- Seamus McCartan — 3 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 27 Apr 2019.
- Sean McConville — 3 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 24 Apr 2018.
- Steven Anderson — 3 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Jan 2015.
- Steven Old — 3 confirmed meetings against Mark O'Brien. 23 Jan 2018 – 21 Dec 2019.
- Stuart Bannigan — 3 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 23 May 2015.
- Thomas Lowery — 3 confirmed meetings against Mark O'Brien. 12 Aug 2017 – 24 Aug 2019.
- Thomas Miller — 3 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 9 Dec 2017.
- Tristan Abrahams — 3 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 30 Mar 2019.
- Tyrone Barnett — 3 confirmed meetings against Mark O'Brien. 24 Feb 2018 – 15 Mar 2019.
- William Aimson — 3 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 19 Apr 2019.
- William Boyle — 3 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 15 Mar 2019.
- Zachary Mills — 3 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 23 Nov 2019.
- Zeus de la Paz — 3 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 23 Nov 2019.
- Zoumana Bakayogo — 3 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 22 Sept 2018.
- Albert Adomah — 2 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 15 Dec 2012.
- Anthony Evans — 2 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 14 Mar 2017.
- Aaron McGowan — 2 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 23 Jan 2018.
- Aaron Chapman — 2 confirmed meetings against Mark O'Brien. 18 Nov 2017 – 24 Apr 2018.
- Aaron McLean — 2 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 14 Nov 2015.
- Aaron Pierre — 2 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 12 Mar 2019.
- Abdillahie Yussuf — 2 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 14 Feb 2017.
- Abdul Osman — 2 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 27 Dec 2014.
- Abobaker Eisa — 2 confirmed meetings against Mark O'Brien. 9 Mar 2019 – 11 Jan 2020.
- Adam Buxton — 2 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 25 May 2019.
- Adam Crookes — 2 confirmed meetings against Mark O'Brien. 29 Jan 2019 – 7 Sept 2019.
- Ahkeem Rose — 2 confirmed meetings against Mark O'Brien. 9 Nov 2019 – 20 Nov 2019.
- Aidan White — 2 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 8 Dec 2012.
- Ajay Leitch-Smith — 2 confirmed meetings against Mark O'Brien. 27 Oct 2018 – 21 Dec 2019.
- Alex Gilliead — 2 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 19 Oct 2019.
- Alex Pearce — 2 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 4 Jan 2020.
- Alexander Fisher — 2 confirmed meetings against Mark O'Brien. 15 Sept 2018 – 30 Mar 2019.
- Alexander Iacovitti — 2 confirmed meetings against Mark O'Brien. 30 Apr 2019 – 23 Nov 2019.
- Alexander Lacey — 2 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 14 Apr 2017.
- Alexander Whitmore — 2 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 14 Mar 2017.
- Alfie Potter — 2 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 13 Feb 2018.
- Andrew Butler — 2 confirmed meetings against Mark O'Brien. 10 Feb 2017 – 11 Jan 2020.
- Andrew King — 2 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 6 Jan 2019.
- Andrew Lonergan — 2 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 7 Jan 2018.
- Anthony Gerrard — 2 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 2 Mar 2019.
- Anthony Grant — 2 confirmed meetings against Mark O'Brien. 28 Sept 2019 – 18 Jan 2020.
- Anthony Stokes — 2 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Jan 2015.
- Antonio Reguero — 2 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 13 Dec 2014.
- Antony Kay — 2 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 29 Jan 2019.
- Archie Collins — 2 confirmed meetings against Mark O'Brien. 19 Jan 2019 – 21 Sept 2019.
- Ashley Fletcher — 2 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 5 Feb 2019.
- Ashley Nadesan — 2 confirmed meetings against Mark O'Brien. 5 May 2018 – 22 Oct 2019.
- Brandon Comley — 2 confirmed meetings against Mark O'Brien. 3 Feb 2018 – 26 Oct 2019.
- Ben Davies — 2 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 23 Sept 2017.
- Ben Tozer — 2 confirmed meetings against Mark O'Brien. 24 Nov 2018 – 15 Mar 2019.
- Ben Turner — 2 confirmed meetings against Mark O'Brien. 9 May 2019 – 12 May 2019.
- Benjamin Richards-Everton — 2 confirmed meetings against Mark O'Brien. 23 May 2015 – 18 Nov 2017.
- Benjamin Whitfield — 2 confirmed meetings against Mark O'Brien. 24 Feb 2018 – 1 Sept 2018.
- Bevis Mugabi — 2 confirmed meetings against Mark O'Brien. 15 Sept 2018 – 30 Mar 2019.
- Brian Jensen — 2 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 19 Sept 2015.
- Britt Assombalonga — 2 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 5 Feb 2019.
- Bruno Andrade — 2 confirmed meetings against Mark O'Brien. 22 Dec 2018 – 27 Apr 2019.
- Christian Doidge — 2 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 6 Mar 2018.
- Conor Grant — 2 confirmed meetings against Mark O'Brien. 10 Feb 2017 – 17 Aug 2019.
- Callum Cooke — 2 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 7 Dec 2019.
- Callum Evans — 2 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 7 Sept 2019.
- Callum Johnson — 2 confirmed meetings against Mark O'Brien. 18 Nov 2017 – 24 Apr 2018.
- Callum McFadzean — 2 confirmed meetings against Mark O'Brien. 23 Oct 2018 – 17 Aug 2019.
- Cameron Borthwick-Jackson — 2 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 7 Jan 2018.
- Caolan Lavery — 2 confirmed meetings against Mark O'Brien. 19 Apr 2019 – 20 Aug 2019.
- Carl Winchester — 2 confirmed meetings against Mark O'Brien. 26 Dec 2018 – 31 Aug 2019.
- Carlos Gomes — 2 confirmed meetings against Mark O'Brien. 4 May 2019 – 21 Dec 2019.
- Charles Goode — 2 confirmed meetings against Mark O'Brien. 12 Mar 2019 – 14 Sept 2019.
- Charlie Austin — 2 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 26 Dec 2012.
- Charlie Lee — 2 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 7 Jan 2017.
- Chris Cohen — 2 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 19 Jan 2013.
- Chris O'Grady — 2 confirmed meetings against Mark O'Brien. 26 Aug 2017 – 8 Sept 2018.
- Christopher Burke — 2 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 24 Nov 2012.
- Christopher Millar — 2 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Oct 2014.
- Christopher Whelpdale — 2 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 5 Aug 2017.
- Clint Hill — 2 confirmed meetings against Mark O'Brien. 9 Dec 2017 – 5 May 2018.
- Connell Rawlinson — 2 confirmed meetings against Mark O'Brien. 1 Sept 2018 – 29 Jan 2019.
- Connor Ogilvie — 2 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 13 Aug 2019.
- Conor Shaughnessy — 2 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 7 Jan 2018.
- Conrad Balatoni — 2 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 27 Dec 2014.
- Craig Alcock — 2 confirmed meetings against Mark O'Brien. 27 Oct 2012 – 10 Feb 2017.
- Craig Mackail-Smith — 2 confirmed meetings against Mark O'Brien. 19 Feb 2019 – 14 Dec 2019.
- Craig Woodman — 2 confirmed meetings against Mark O'Brien. 2 Sept 2017 – 19 Jan 2019.
- Curtis Davies — 2 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 24 Nov 2012.
- Curtis Weston — 2 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 21 Jan 2017.
- Dale Bennett — 2 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 6 Mar 2018.
- Dale Gorman — 2 confirmed meetings against Mark O'Brien. 7 Jan 2017 – 5 Aug 2017.
- Daniel Ayala — 2 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 5 Feb 2019.
- Daniel Newton — 2 confirmed meetings against Mark O'Brien. 5 Aug 2017 – 1 Jan 2019.
- Daniel Potts — 2 confirmed meetings against Mark O'Brien. 30 Sept 2017 – 17 Mar 2018.
- Daniel Wishart — 2 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 6 Mar 2018.
- Danny Seaborne — 2 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 27 Dec 2014.
- Darren Maatsen — 2 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 13 Dec 2014.
- David Buchanan — 2 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 12 Mar 2019.
- David Clarkson — 2 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 10 Jan 2015.
- David MacKay — 2 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Oct 2014.
- David Norris — 2 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 8 Dec 2012.
- David Sesay — 2 confirmed meetings against Mark O'Brien. 29 Dec 2018 – 22 Oct 2019.
- David Wheeler — 2 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 23 Feb 2019.
- David Wotherspoon — 2 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Jan 2015.
- Dean Hammond — 2 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 12 Jan 2013.
- Dean Marney — 2 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 26 Dec 2012.
- Dean Moxey — 2 confirmed meetings against Mark O'Brien. 19 Jan 2019 – 21 Sept 2019.
- Dimitar Mitov — 2 confirmed meetings against Mark O'Brien. 28 Apr 2018 – 13 Apr 2019.
- Dion Conroy — 2 confirmed meetings against Mark O'Brien. 9 Apr 2019 – 28 Sept 2019.
- Ellis Iandolo — 2 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 28 Sept 2019.
- Elijah Adebayo — 2 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 20 Aug 2019.
- Elliott Johnson — 2 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 21 Jan 2017.
- Elliott Whitehouse — 2 confirmed meetings against Mark O'Brien. 9 Nov 2019 – 20 Nov 2019.
- Emile Sinclair — 2 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 27 Oct 2012.
- Emilio Izaguirre — 2 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Jan 2015.
- Ethan Robson — 2 confirmed meetings against Mark O'Brien. 9 Nov 2019 – 20 Nov 2019.
- Fiacre Kelleher — 2 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 17 Sept 2019.
- François Zoko — 2 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 30 Mar 2019.
- Grant McCann — 2 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 27 Oct 2012.
- Gabriel Rogers — 2 confirmed meetings against Mark O'Brien. 15 Sept 2018 – 30 Mar 2019.
- Gary Deegan — 2 confirmed meetings against Mark O'Brien. 28 Apr 2018 – 13 Apr 2019.
- Gary Fraser — 2 confirmed meetings against Mark O'Brien. 27 Dec 2014 – 23 May 2015.
- Gary Harkins — 2 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 10 Jan 2015.
- Gary Irvine — 2 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 10 Jan 2015.
- Gary McDonald — 2 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Oct 2014.
- Gary Miller — 2 confirmed meetings against Mark O'Brien. 31 Oct 2014 – 31 Jan 2015.
- George Boyd — 2 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 27 Oct 2012.
- George Cooper — 2 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 12 Aug 2017.
- George Edmundson — 2 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 30 Apr 2019.
- Graham Carey — 2 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 13 Dec 2014.
- Greg Stewart — 2 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 10 Jan 2015.
- Gregory Halford — 2 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 19 Jan 2013.
- Gregory Wylde — 2 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 16 May 2015.
- Guy Moussi — 2 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 19 Jan 2013.
- Hayden Mullins — 2 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 24 Nov 2012.
- Harrison McGahey — 2 confirmed meetings against Mark O'Brien. 19 Oct 2019 – 11 Jan 2020.
- Harry Cardwell — 2 confirmed meetings against Mark O'Brien. 9 Nov 2019 – 20 Nov 2019.
- Harry Clifton — 2 confirmed meetings against Mark O'Brien. 9 Nov 2019 – 20 Nov 2019.
- Harry McKirdy — 2 confirmed meetings against Mark O'Brien. 24 Mar 2018 – 5 Oct 2019.
- Harry Smith — 2 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 14 Sept 2019.
- Harry Taylor — 2 confirmed meetings against Mark O'Brien. 21 Jan 2017 – 21 Nov 2017.
- Harry Toffolo — 2 confirmed meetings against Mark O'Brien. 22 Dec 2018 – 27 Apr 2019.
- Haydn Hollis — 2 confirmed meetings against Mark O'Brien. 6 May 2017 – 6 Mar 2018.
- Iain Davidson — 2 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 10 Jan 2015.
- Ian Evatt — 2 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 26 Aug 2017.
- Isaiah Osbourne — 2 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 6 Mar 2018.
- Ishmael Miller — 2 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 1 Jan 2013.
- Jordan Turnbull — 2 confirmed meetings against Mark O'Brien. 12 Mar 2019 – 14 Sept 2019.
- Jack Bridge — 2 confirmed meetings against Mark O'Brien. 12 Mar 2019 – 5 Oct 2019.
- Jack Grimmer — 2 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 30 Mar 2018.
- Jack King — 2 confirmed meetings against Mark O'Brien. 7 Jan 2017 – 5 Aug 2017.
- Jack Taylor — 2 confirmed meetings against Mark O'Brien. 21 Jan 2017 – 21 Nov 2017.
- Jak McCourt — 2 confirmed meetings against Mark O'Brien. 26 Aug 2017 – 9 Apr 2019.
- Jake Caprice — 2 confirmed meetings against Mark O'Brien. 6 Apr 2019 – 25 May 2019.
- Jakob Hessenthaler — 2 confirmed meetings against Mark O'Brien. 9 Nov 2019 – 20 Nov 2019.
- James Brown — 2 confirmed meetings against Mark O'Brien. 9 Dec 2017 – 4 Jan 2020.
- James Duncan McAlister — 2 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 10 Jan 2015.
- James Harris — 2 confirmed meetings against Mark O'Brien. 25 May 2019 – 17 Sept 2019.
- James Justin — 2 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 30 Sept 2017.
- James McFadden — 2 confirmed meetings against Mark O'Brien. 31 Oct 2014 – 31 Jan 2015.
- James O'Brien — 2 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 19 Feb 2019.
- James O'Shea — 2 confirmed meetings against Mark O'Brien. 23 Oct 2018 – 19 Apr 2019.
- James Perch — 2 confirmed meetings against Mark O'Brien. 19 Oct 2019 – 11 Jan 2020.
- James Spencer — 2 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 13 Feb 2018.
- James Vaughan — 2 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 7 Dec 2019.
- Jamie Devitt — 2 confirmed meetings against Mark O'Brien. 29 Apr 2017 – 5 May 2018.
- Jamie Proctor — 2 confirmed meetings against Mark O'Brien. 29 Apr 2017 – 19 Oct 2019.
- Jamie Reckord — 2 confirmed meetings against Mark O'Brien. 13 Dec 2014 – 2 May 2015.
- Jamie Stephens — 2 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 21 Nov 2017.
- Jason Denayer — 2 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Jan 2015.
- Jason Naismith — 2 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 16 May 2015.
- Jason Shackell — 2 confirmed meetings against Mark O'Brien. 26 Dec 2012 – 22 Dec 2018.
- Jason Steele — 2 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 1 Jan 2013.
- Jayden Stockley — 2 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 2 Sept 2017.
- Jeroen Tesselaar — 2 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 16 May 2015.
- Jerry Yates — 2 confirmed meetings against Mark O'Brien. 28 Sept 2019 – 18 Jan 2020.
- Jimmy Smith — 2 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 26 Sept 2017.
- Johan Branger — 2 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 30 Apr 2019.
- John Marquis — 2 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 10 Feb 2017.
- John O'Toole — 2 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 12 Mar 2019.
- Johnny Hunt — 2 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 1 Jan 2019.
- Jonathan Benteke Lifeka — 2 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 30 Apr 2019.
- Jonathan Forte — 2 confirmed meetings against Mark O'Brien. 17 Feb 2018 – 19 Jan 2019.
- Jordan Flores — 2 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 26 Aug 2017.
- Jordan Houghton — 2 confirmed meetings against Mark O'Brien. 10 Feb 2017 – 23 Feb 2019.
- Jordan Moore-Taylor — 2 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 2 Sept 2017.
- Jose Baxter — 2 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 17 Aug 2019.
- Joseph Cardle — 2 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 13 Dec 2014.
- Joseph Edwards — 2 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 17 Aug 2019.
- Joseph Martin — 2 confirmed meetings against Mark O'Brien. 5 Aug 2017 – 14 Sept 2019.
- Joseph McNerney — 2 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 29 Dec 2018.
- Joshua Doherty — 2 confirmed meetings against Mark O'Brien. 29 Dec 2018 – 22 Oct 2019.
- Joshua Yorwerth — 2 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 26 Sept 2017.
- Junior Brown — 2 confirmed meetings against Mark O'Brien. 19 Oct 2019 – 11 Jan 2020.
- Kallum Higginbotham — 2 confirmed meetings against Mark O'Brien. 27 Dec 2014 – 23 May 2015.
- Kayden Jackson — 2 confirmed meetings against Mark O'Brien. 18 Nov 2017 – 24 Apr 2018.
- Keith Treacy — 2 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 26 Dec 2012.
- Kelvin Etuhu — 2 confirmed meetings against Mark O'Brien. 9 Dec 2017 – 2 Mar 2019.
- Kelvin Mellor — 2 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 7 Dec 2019.
- Kevin Dawson — 2 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 15 Mar 2019.
- Kevin van Veen — 2 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 19 Oct 2019.
- Kieran Agard — 2 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 23 Feb 2019.
- Kieran Trippier — 2 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 26 Dec 2012.
- Kris Commons — 2 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Jan 2015.
- Kyle Knoyle — 2 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 9 Apr 2019.
- Liam Mandeville — 2 confirmed meetings against Mark O'Brien. 27 Oct 2018 – 4 May 2019.
- Lee Holmes — 2 confirmed meetings against Mark O'Brien. 2 Sept 2017 – 19 Jan 2019.
- Lee Molyneux — 2 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 14 Mar 2017.
- Lee Peltier — 2 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 8 Dec 2012.
- Lewis Wing — 2 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 5 Feb 2019.
- Lewis Young — 2 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 26 Sept 2017.
- Liam Boyce — 2 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 2 May 2015.
- Liam Cooper — 2 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 7 Jan 2018.
- Liam Fontaine — 2 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 15 Dec 2012.
- Liam Gibson — 2 confirmed meetings against Mark O'Brien. 9 Nov 2019 – 20 Nov 2019.
- Liam Kinsella — 2 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 20 Aug 2019.
- Liam Ridehalgh — 2 confirmed meetings against Mark O'Brien. 6 Apr 2019 – 25 May 2019.
- Liam Shephard — 2 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 26 Dec 2018.
- Liam Wakefield — 2 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 14 Mar 2017.
- Lloyd Isgrove — 2 confirmed meetings against Mark O'Brien. 28 Sept 2019 – 18 Jan 2020.
- Luciano Becchio — 2 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 8 Dec 2012.
- Lukas Jutkiewicz — 2 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 1 Jan 2013.
- Luke Ayling — 2 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 22 Aug 2017.
- Luke Berry — 2 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 17 Mar 2018.
- Luke McCormick — 2 confirmed meetings against Mark O'Brien. 9 Apr 2019 – 28 Sept 2019.
- Luke Norris — 2 confirmed meetings against Mark O'Brien. 9 Mar 2019 – 26 Oct 2019.
- Luke Summerfield — 2 confirmed meetings against Mark O'Brien. 23 Sept 2017 – 1 Dec 2018.
- Luke Woolfenden — 2 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 9 Apr 2019.
- Mitchell Clark — 2 confirmed meetings against Mark O'Brien. 1 Sept 2018 – 29 Jan 2019.
- Marc McNulty — 2 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 30 Mar 2018.
- Marcus Harness — 2 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 24 Feb 2018.
- Marek Štěch — 2 confirmed meetings against Mark O'Brien. 30 Sept 2017 – 17 Mar 2018.
- Mark Cullen — 2 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 2 Mar 2019.
- Mark Halstead — 2 confirmed meetings against Mark O'Brien. 4 May 2019 – 21 Dec 2019.
- Mark Little — 2 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 27 Oct 2012.
- Mark Roberts — 2 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 14 Oct 2017.
- Martin Woods — 2 confirmed meetings against Mark O'Brien. 13 Dec 2014 – 2 May 2015.
- Martyn Woolford — 2 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 23 Sept 2017.
- Marvin Elliott — 2 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 15 Dec 2012.
- Mateusz Klich — 2 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 7 Jan 2018.
- Matt Harrold — 2 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 25 Jan 2020.
- Matt Mills — 2 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 31 Aug 2019.
- Matthew Bates — 2 confirmed meetings against Mark O'Brien. 15 Dec 2012 – 28 Jan 2017.
- Matthew Dolan — 2 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 14 Apr 2017.
- Matthew Godden — 2 confirmed meetings against Mark O'Brien. 7 Jan 2017 – 5 Aug 2017.
- Matthew Pollock — 2 confirmed meetings against Mark O'Brien. 9 Nov 2019 – 20 Nov 2019.
- Matthew Taylor — 2 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 8 Dec 2018.
- Mauro Vilhete — 2 confirmed meetings against Mark O'Brien. 21 Jan 2017 – 21 Nov 2017.
- Maxime Biamou — 2 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 30 Mar 2018.
- Medy Elito — 2 confirmed meetings against Mark O'Brien. 3 Dec 2017 – 16 Dec 2017.
- Michael O'Connor — 2 confirmed meetings against Mark O'Brien. 22 Dec 2018 – 27 Apr 2019.
- Michael Timlin — 2 confirmed meetings against Mark O'Brien. 1 Jan 2019 – 14 Dec 2019.
- Michael Tonge — 2 confirmed meetings against Mark O'Brien. 8 Dec 2012 – 24 Feb 2018.
- Michail Antonio — 2 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 27 Aug 2019.
- Miles Welch-Hayes — 2 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 17 Sept 2019.
- Mohamed-Labib Maouche — 2 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 30 Apr 2019.
- Murray Wallace — 2 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 4 Jan 2020.
- Nathan Baxter — 2 confirmed meetings against Mark O'Brien. 15 Sept 2018 – 30 Mar 2019.
- Nathan Eccleston — 2 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 27 Dec 2014.
- Nathan McGinley — 2 confirmed meetings against Mark O'Brien. 26 Dec 2018 – 31 Aug 2019.
- Nathan Smith — 2 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 14 Apr 2017.
- Nathan Thomas — 2 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 2 Mar 2019.
- Nathaniel Knight-Percival — 2 confirmed meetings against Mark O'Brien. 27 Oct 2012 – 5 Oct 2019.
- Neal Bishop — 2 confirmed meetings against Mark O'Brien. 9 Feb 2019 – 9 May 2019.
- Nicholas Bailey — 2 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 1 Jan 2013.
- Nicholas Law — 2 confirmed meetings against Mark O'Brien. 19 Jan 2019 – 21 Sept 2019.
- Nicky Ajose — 2 confirmed meetings against Mark O'Brien. 9 Feb 2019 – 12 May 2019.
- Nigel Atangana — 2 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 24 Nov 2018.
- Nir Bitton — 2 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Jan 2015.
- Noor Husin — 2 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 17 Feb 2018.
- Oliver Palmer — 2 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 23 Dec 2017.
- Oliver James Lancashire — 2 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 24 Aug 2019.
- Oliver Lee — 2 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 30 Sept 2017.
- Olufela Olomola — 2 confirmed meetings against Mark O'Brien. 15 Sept 2018 – 5 Oct 2019.
- Omar Sowunmi — 2 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 15 Sept 2018.
- Ousseynou Cissé — 2 confirmed meetings against Mark O'Brien. 23 Feb 2019 – 25 Jan 2020.
- Owen Garvan — 2 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 14 Jan 2017.
- Paul Digby — 2 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 14 Dec 2019.
- Patrick McNair — 2 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 5 Feb 2019.
- Paul Anderson — 2 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 13 Feb 2018.
- Paul Farman — 2 confirmed meetings against Mark O'Brien. 1 Jan 2019 – 14 Dec 2019.
- Paul McGinn — 2 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 10 Jan 2015.
- Paul McGowan — 2 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 10 Jan 2015.
- Paul Quinn — 2 confirmed meetings against Mark O'Brien. 13 Dec 2014 – 2 May 2015.
- Peter Vincenti — 2 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 30 Mar 2018.
- Ryan Boot — 2 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 24 Feb 2018.
- Ryan Broom — 2 confirmed meetings against Mark O'Brien. 24 Nov 2018 – 15 Mar 2019.
- Radosław Majewski — 2 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 19 Jan 2013.
- Randell Williams — 2 confirmed meetings against Mark O'Brien. 19 Jan 2019 – 21 Sept 2019.
- Reece Grego-Cox — 2 confirmed meetings against Mark O'Brien. 29 Dec 2018 – 22 Oct 2019.
- Regan Slater — 2 confirmed meetings against Mark O'Brien. 2 Mar 2019 – 19 Oct 2019.
- Rhys Bennett — 2 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 13 Feb 2018.
- Rhys Oates — 2 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 27 Oct 2018.
- Rhys Turner — 2 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 14 Mar 2017.
- Rhys Williams — 2 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 1 Jan 2013.
- Ricardo — 2 confirmed meetings against Mark O'Brien. 21 Jan 2017 – 21 Nov 2017.
- Richard Duffy — 2 confirmed meetings against Mark O'Brien. 6 May 2017 – 17 Feb 2018.
- Ricky Miller — 2 confirmed meetings against Mark O'Brien. 13 Feb 2018 – 1 Sept 2018.
- Robert Green — 2 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 22 Aug 2017.
- Robert Milsom — 2 confirmed meetings against Mark O'Brien. 6 May 2017 – 19 Feb 2019.
- Robert Snodgrass — 2 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 27 Aug 2019.
- Rocco Quinn — 2 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 2 May 2015.
- Rodney McDonald — 2 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 30 Mar 2018.
- Rory Watson — 2 confirmed meetings against Mark O'Brien. 19 Oct 2019 – 11 Jan 2020.
- Ross McCormack — 2 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 8 Dec 2012.
- Ross Wallace — 2 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 26 Dec 2012.
- Ryan Bowman — 2 confirmed meetings against Mark O'Brien. 19 Jan 2019 – 21 Sept 2019.
- Ryan Colclough — 2 confirmed meetings against Mark O'Brien. 19 Oct 2019 – 11 Jan 2020.
- Ryan Edwards — 2 confirmed meetings against Mark O'Brien. 21 Feb 2017 – 14 Mar 2017.
- Ryan Harley — 2 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 23 Feb 2019.
- Ryan Loft — 2 confirmed meetings against Mark O'Brien. 7 Jan 2017 – 5 Oct 2019.
- Ryan Taylor — 2 confirmed meetings against Mark O'Brien. 15 Dec 2012 – 17 Aug 2019.
- Shaun McWilliams — 2 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 14 Sept 2019.
- Sam Baldock — 2 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 15 Dec 2012.
- Sam Hird — 2 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 26 Aug 2017.
- Sam Jones — 2 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 23 Sept 2017.
- Sam Russell — 2 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 9 Nov 2019.
- Sammy Clingan — 2 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 8 May 2015.
- Samu Sáiz — 2 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 7 Jan 2018.
- Samuel Foley — 2 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 12 Mar 2019.
- Samuel Walker — 2 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 3 Feb 2018.
- Scott Boyd — 2 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 2 May 2015.
- Scott Brown — 2 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Jan 2015.
- Scott Flinders — 2 confirmed meetings against Mark O'Brien. 24 Nov 2018 – 15 Mar 2019.
- Scott Fox — 2 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 23 May 2015.
- Scott McDonald — 2 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 1 Jan 2013.
- Scott Twine — 2 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 18 Jan 2020.
- Scott Wiseman — 2 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 26 Aug 2017.
- Sessi D'Almeida — 2 confirmed meetings against Mark O'Brien. 15 Sept 2018 – 30 Mar 2019.
- Shaun Donnellan — 2 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 15 Sept 2018.
- Shaun Miller — 2 confirmed meetings against Mark O'Brien. 29 Apr 2017 – 9 Dec 2017.
- Shaun Pearson — 2 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 1 Dec 2018.
- Sidney Nelson — 2 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 25 May 2019.
- Simon Gillett — 2 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 19 Jan 2013.
- Simon Lappin — 2 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Jan 2015.
- Stefan Šćepović — 2 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Jan 2015.
- Stephen McManus — 2 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 15 Dec 2012.
- Stephen McNulty — 2 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 25 May 2019.
- Steven Caldwell — 2 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 24 Nov 2012.
- Steven Lawless — 2 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 27 Dec 2014.
- Steven MacLean — 2 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Jan 2015.
- Steven Schumacher — 2 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 7 Jan 2017.
- Steven Thompson — 2 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 16 May 2015.
- Stevie Mallan — 2 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 16 May 2015.
- Stuart Beavon — 2 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 1 Dec 2018.
- Tom Conlon — 2 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 7 Sept 2019.
- Terry Gornell — 2 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 22 Apr 2017.
- Thomas Hamer — 2 confirmed meetings against Mark O'Brien. 30 Apr 2019 – 23 Nov 2019.
- Thomas Lapslie — 2 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 17 Nov 2018.
- Thomas Lees — 2 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 8 Dec 2012.
- Thomas Reilly — 2 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 16 May 2015.
- Thomas Rowe — 2 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 10 Feb 2017.
- Thomas Scobbie — 2 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 31 Jan 2015.
- Tony Dingwall — 2 confirmed meetings against Mark O'Brien. 13 Dec 2014 – 2 May 2015.
- Troy Brown — 2 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 2 Sept 2017.
- Tyler Denton — 2 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 14 Dec 2019.
- Uche Ikpeazu — 2 confirmed meetings against Mark O'Brien. 3 Dec 2017 – 28 Apr 2018.
- Vadaine Oliver — 2 confirmed meetings against Mark O'Brien. 27 Oct 2018 – 4 May 2019.
- Virgil Gomis — 2 confirmed meetings against Mark O'Brien. 19 Feb 2019 – 17 Sept 2019.
- Virgil van Dijk — 2 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Jan 2015.
- Vurnon Anita — 2 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 7 Jan 2018.
- Wade Elliott — 2 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 24 Nov 2012.
- Wes Morgan — 2 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 6 Jan 2019.
- Willem Tomlinson — 2 confirmed meetings against Mark O'Brien. 9 Feb 2019 – 12 May 2019.
- William Atkinson — 2 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 12 May 2019.
- Mihai-Alexandru Dobre — 1 confirmed meetings against Mark O'Brien. 30 Mar 2019 – 30 Mar 2019.
- Alan Lee — 1 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 2 Feb 2013.
- Aaron Cresswell — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- Aaron Doran — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Aaron Martin — 1 confirmed meetings against Mark O'Brien. 21 Sept 2019 – 21 Sept 2019.
- Aaron Wilbraham — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Abd-Al-Ali Koiki — 1 confirmed meetings against Mark O'Brien. 9 Apr 2019 – 9 Apr 2019.
- Abdoulaye Fayé — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- Abdul Razak — 1 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 29 Oct 2011.
- Adam Bartlett — 1 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Adam Campbell — 1 confirmed meetings against Mark O'Brien. 23 Jan 2018 – 23 Jan 2018.
- Adam Chambers — 1 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 4 Nov 2017.
- Adam Chapman — 1 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 19 Sept 2015.
- Adam El-Abd — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Adam Federici — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Adam Henley — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Adam King — 1 confirmed meetings against Mark O'Brien. 13 Feb 2018 – 13 Feb 2018.
- Adam Le Fondre — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Adam Matthews — 1 confirmed meetings against Mark O'Brien. 21 Jan 2015 – 21 Jan 2015.
- Adam May — 1 confirmed meetings against Mark O'Brien. 28 Sept 2019 – 28 Sept 2019.
- Adam Reach — 1 confirmed meetings against Mark O'Brien. 1 Jan 2013 – 1 Jan 2013.
- Adam Thompson — 1 confirmed meetings against Mark O'Brien. 23 Oct 2018 – 23 Oct 2018.
- Adrian Mariappa — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Aidan Connolly — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Akil Wright — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- Akwasi Asante — 1 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 14 Feb 2017.
- Al-Amin Kazeem — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Alan Dunne — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- Alan Gow — 1 confirmed meetings against Mark O'Brien. 16 May 2015 – 16 May 2015.
- Alan McCormack — 1 confirmed meetings against Mark O'Brien. 17 Mar 2018 – 17 Mar 2018.
- Alan Smith — 1 confirmed meetings against Mark O'Brien. 6 May 2017 – 6 May 2017.
- Alan Tate — 1 confirmed meetings against Mark O'Brien. 8 Dec 2012 – 8 Dec 2012.
- Albian Ajeti — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- Aleksandăr Tonev — 1 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Sept 2014.
- Alex Howes — 1 confirmed meetings against Mark O'Brien. 6 May 2017 – 6 May 2017.
- Alex Kiwomya — 1 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 11 Mar 2017.
- Alex Lawless — 1 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 14 Apr 2017.
- Alex Nicholls — 1 confirmed meetings against Mark O'Brien. 21 Nov 2017 – 21 Nov 2017.
- Alex Revell — 1 confirmed meetings against Mark O'Brien. 1 Jan 2019 – 1 Jan 2019.
- Alexander Addai — 1 confirmed meetings against Mark O'Brien. 24 Nov 2018 – 24 Nov 2018.
- Alexander Baptiste — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Alexander Bray — 1 confirmed meetings against Mark O'Brien. 6 Mar 2018 – 6 Mar 2018.
- Alexander Gilbey — 1 confirmed meetings against Mark O'Brien. 23 Feb 2019 – 23 Feb 2019.
- Alexander Harris — 1 confirmed meetings against Mark O'Brien. 10 Jan 2015 – 10 Jan 2015.
- Alexander Jakubiak — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Alexander Jones — 1 confirmed meetings against Mark O'Brien. 13 Apr 2019 – 13 Apr 2019.
- Alexander Palmer — 1 confirmed meetings against Mark O'Brien. 17 Aug 2019 – 17 Aug 2019.
- Alexander Pattison — 1 confirmed meetings against Mark O'Brien. 15 Sept 2018 – 15 Sept 2018.
- Alexander Samuel — 1 confirmed meetings against Mark O'Brien. 5 Aug 2017 – 5 Aug 2017.
- Alexander Smithies — 1 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 2 Feb 2013.
- Alexander Woodyard — 1 confirmed meetings against Mark O'Brien. 23 Dec 2017 – 23 Dec 2017.
- Alfie Jones — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Aliu Djaló — 1 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 1 Apr 2017.
- Amadou Bakayoko — 1 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 4 Nov 2017.
- André Bikey-Amougou — 1 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 27 Aug 2011.
- Andre Blackman — 1 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 1 Apr 2017.
- Andrea Orlandi — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Andrew Considine — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Andrew Crofts — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Andrew Halliday — 1 confirmed meetings against Mark O'Brien. 1 Jan 2013 – 1 Jan 2013.
- Andrew Kellett — 1 confirmed meetings against Mark O'Brien. 26 Aug 2017 – 26 Aug 2017.
- Andrew Yiadom — 1 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 14 Nov 2015.
- Andy Gray — 1 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 27 Sept 2011.
- Andy Keogh — 1 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 26 Dec 2011.
- Andy Reid — 1 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 17 Sept 2011.
- Andy Robinson — 1 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 5 Jan 2013.
- Andy Taylor — 1 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 8 Sept 2018.
- Anthony Andreu — 1 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 19 Aug 2017.
- Anthony Gardner — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Anthony McMahon — 1 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 22 Oct 2011.
- Anthony O'Connor — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Anton Forrester — 1 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 10 Nov 2017.
- Antoni Sarcevic — 1 confirmed meetings against Mark O'Brien. 17 Aug 2019 – 17 Aug 2019.
- Antonio Pedroza — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Antonios Kozakis — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Antony Sweeney — 1 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 24 Nov 2015.
- Aramide Oteh — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Armand Gnanduillet — 1 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 21 Nov 2015.
- Arthur Gnahoua — 1 confirmed meetings against Mark O'Brien. 17 Sept 2019 – 17 Sept 2019.
- Arthur Iontton — 1 confirmed meetings against Mark O'Brien. 1 Jan 2019 – 1 Jan 2019.
- Artur Krysiak — 1 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 22 Aug 2015.
- Aryan Taj — 1 confirmed meetings against Mark O'Brien. 26 Sept 2017 – 26 Sept 2017.
- Ashley Barnes — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Ashley Nathaniel-George — 1 confirmed meetings against Mark O'Brien. 22 Oct 2019 – 22 Oct 2019.
- Aymeric Laporte — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Beryly Lubala — 1 confirmed meetings against Mark O'Brien. 22 Oct 2019 – 22 Oct 2019.
- William McKay — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Glyn Myhill — 1 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 6 Aug 2011.
- Brett Ormerod — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Barry Ferguson — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Barry Fuller — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Bartholomew Ogbeche — 1 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 22 Oct 2011.
- Bartosz Bialkowski — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Bastien Héry — 1 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 24 Nov 2015.
- Bayley Mummery — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Ben Hall — 1 confirmed meetings against Mark O'Brien. 17 Feb 2018 – 17 Feb 2018.
- Ben McNamara — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Ben Stephens — 1 confirmed meetings against Mark O'Brien. 17 Sept 2019 – 17 Sept 2019.
- Benjamin Barclay — 1 confirmed meetings against Mark O'Brien. 19 Feb 2019 – 19 Feb 2019.
- Benjamin Hamer — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Benjamin Mee — 1 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 27 Aug 2011.
- Benjamin Pringle — 1 confirmed meetings against Mark O'Brien. 25 May 2019 – 25 May 2019.
- Benjamin Smith — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Benjamin Williamson — 1 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 18 Feb 2017.
- Beram Kayal — 1 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Sept 2014.
- Billy Bingham — 1 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 11 Mar 2017.
- Billy Clarke — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Billy Knott — 1 confirmed meetings against Mark O'Brien. 23 Dec 2017 – 23 Dec 2017.
- Billy Mitchell — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Billy Sharp — 1 confirmed meetings against Mark O'Brien. 19 Jan 2013 – 19 Jan 2013.
- Blair Spittal — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Bobby De Cordova-Reid — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Bobby Grant — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- Bojan Krkić — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Bondz N'Gala — 1 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 14 Nov 2015.
- Bradley Barry — 1 confirmed meetings against Mark O'Brien. 26 Aug 2017 – 26 Aug 2017.
- Bradley Collins — 1 confirmed meetings against Mark O'Brien. 6 Mar 2018 – 6 Mar 2018.
- Brandon Hanlan — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Brett Pitman — 1 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 10 Dec 2011.
- Brian Murphy — 1 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 29 Aug 2015.
- Brian Stock — 1 confirmed meetings against Mark O'Brien. 26 Dec 2012 – 26 Dec 2012.
- Brice Ntambwe — 1 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 22 Apr 2019.
- Bright Osayi-Samuel — 1 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 18 Mar 2017.
- Byron Moore — 1 confirmed meetings against Mark O'Brien. 19 Apr 2019 – 19 Apr 2019.
- Byron Webster — 1 confirmed meetings against Mark O'Brien. 5 Oct 2019 – 5 Oct 2019.
- Chris Iwelumo — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Chris Kirkland — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Charlie Lakin — 1 confirmed meetings against Mark O'Brien. 14 Dec 2019 – 14 Dec 2019.
- Cameron Norman — 1 confirmed meetings against Mark O'Brien. 20 Aug 2019 – 20 Aug 2019.
- Conor Thomas — 1 confirmed meetings against Mark O'Brien. 24 Nov 2018 – 24 Nov 2018.
- Callum Ball — 1 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 20 Dec 2014.
- Callum Booth — 1 confirmed meetings against Mark O'Brien. 23 May 2015 – 23 May 2015.
- Callum Brittain — 1 confirmed meetings against Mark O'Brien. 23 Feb 2019 – 23 Feb 2019.
- Callum Harriott — 1 confirmed meetings against Mark O'Brien. 26 Oct 2019 – 26 Oct 2019.
- Callum Kennedy — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Callum McGregor — 1 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Sept 2014.
- Callum Morris — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Callum O'Hare — 1 confirmed meetings against Mark O'Brien. 2 Mar 2019 – 2 Mar 2019.
- Callum Robinson — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Calum Butcher — 1 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 21 Oct 2017.
- Calum Dyson — 1 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 14 Feb 2017.
- Calum Woods — 1 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 2 Feb 2013.
- Calvin Andrew — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Cameron Burgess — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Cameron Kerr — 1 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 18 Oct 2014.
- Cameron McGilp — 1 confirmed meetings against Mark O'Brien. 18 Jan 2020 – 18 Jan 2020.
- Cameron Pring — 1 confirmed meetings against Mark O'Brien. 20 Aug 2019 – 20 Aug 2019.
- Cameron Smith — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Cameron Stewart — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Canice Carroll — 1 confirmed meetings against Mark O'Brien. 9 Apr 2019 – 9 Apr 2019.
- Carl Baker — 1 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 10 Sept 2011.
- Carl Piergianni — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Carl Regan — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Carlos Sánchez — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- Carlton Cole — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- Cédric Evina — 1 confirmed meetings against Mark O'Brien. 26 Sept 2017 – 26 Sept 2017.
- Charlee Hughes — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Charles Raglan — 1 confirmed meetings against Mark O'Brien. 15 Mar 2019 – 15 Mar 2019.
- Charles Wyke — 1 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 24 Nov 2015.
- Charlie Carter — 1 confirmed meetings against Mark O'Brien. 14 Dec 2019 – 14 Dec 2019.
- Charlie Clough — 1 confirmed meetings against Mark O'Brien. 21 Nov 2017 – 21 Nov 2017.
- Charlie Cooper — 1 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 14 Oct 2017.
- Charlie Grainger — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Chigozie Ugwu — 1 confirmed meetings against Mark O'Brien. 26 Aug 2017 – 26 Aug 2017.
- Chris Brown — 1 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 20 Aug 2011.
- Chris Day — 1 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 21 Nov 2015.
- Chris Dunn — 1 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 10 Sept 2011.
- Chris Erskine — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Chris Regis — 1 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 10 Nov 2017.
- Christian Burgess — 1 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 29 Aug 2015.
- Christian Eriksen — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Christian Fuchs — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Christopher Gunter — 1 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 17 Sept 2011.
- Christopher Kane — 1 confirmed meetings against Mark O'Brien. 31 Jan 2015 – 31 Jan 2015.
- Christopher Lines — 1 confirmed meetings against Mark O'Brien. 14 Sept 2019 – 14 Sept 2019.
- Christopher Martin — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Christopher Taylor — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Christopher Wood — 1 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 6 Aug 2011.
- Chukwuemeka Aneke — 1 confirmed meetings against Mark O'Brien. 23 Feb 2019 – 23 Feb 2019.
- Cian Bolger — 1 confirmed meetings against Mark O'Brien. 27 Apr 2019 – 27 Apr 2019.
- Clark Robertson — 1 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 18 Mar 2017.
- Cody McDonald — 1 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 10 Sept 2011.
- Cohen Bramall — 1 confirmed meetings against Mark O'Brien. 26 Oct 2019 – 26 Oct 2019.
- Cole Skuse — 1 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 10 Dec 2011.
- Colin Daniel — 1 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 18 Mar 2017.
- Colin Kazim-Richards — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Connor Kirby — 1 confirmed meetings against Mark O'Brien. 17 Sept 2019 – 17 Sept 2019.
- Connor Mahoney — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Connor Roberts — 1 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 22 Aug 2015.
- Connor Smith — 1 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Connor Wickham — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Connor Wood — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Conor Chaplin — 1 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 29 Aug 2015.
- Conor Coventry — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- Conor Henderson — 1 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 1 Apr 2017.
- Conor McGrandles — 1 confirmed meetings against Mark O'Brien. 23 Feb 2019 – 23 Feb 2019.
- Conor Townsend — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Conor Wilkinson — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- Corey O'Keeffe — 1 confirmed meetings against Mark O'Brien. 17 Sept 2019 – 17 Sept 2019.
- Corry Evans — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Courtney Duffus — 1 confirmed meetings against Mark O'Brien. 30 Mar 2019 – 30 Mar 2019.
- Craig Clay — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- Craig Conway — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Craig Curran — 1 confirmed meetings against Mark O'Brien. 2 May 2015 – 2 May 2015.
- Craig Disley — 1 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 14 Feb 2017.
- Craig Forsyth — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Craig Gordon — 1 confirmed meetings against Mark O'Brien. 21 Jan 2015 – 21 Jan 2015.
- Craig Samson — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Craig Slater — 1 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 14 Jan 2017.
- Craig Sutherland — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Craig Westcarr — 1 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 19 Sept 2015.
- Cyrus Christie — 1 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 10 Sept 2011.
- Bamidele Alli — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Daniel Andrew — 1 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 14 Feb 2017.
- Donervon Daniels — 1 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 5 Jan 2013.
- Daniel Scarr — 1 confirmed meetings against Mark O'Brien. 20 Aug 2019 – 20 Aug 2019.
- David Tutonda — 1 confirmed meetings against Mark O'Brien. 21 Nov 2017 – 21 Nov 2017.
- Dael Fry — 1 confirmed meetings against Mark O'Brien. 5 Feb 2019 – 5 Feb 2019.
- Dan Harding — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Daniel Drinkwater — 1 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 27 Sept 2011.
- Daniel Elliott — 1 confirmed meetings against Mark O'Brien. 29 Jan 2019 – 29 Jan 2019.
- Daniel Fox — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Daniel Gardner — 1 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 8 Sept 2018.
- Daniel Happe — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- Daniel Holman — 1 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 4 Feb 2017.
- Daniel Holmes — 1 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 5 Jan 2013.
- Daniel Ings — 1 confirmed meetings against Mark O'Brien. 26 Dec 2012 – 26 Dec 2012.
- Daniel Kearns — 1 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 5 Nov 2011.
- Daniel Lafferty — 1 confirmed meetings against Mark O'Brien. 26 Dec 2012 – 26 Dec 2012.
- Daniel Rose — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Daniel Rowe — 1 confirmed meetings against Mark O'Brien. 27 Apr 2019 – 27 Apr 2019.
- Daniel Swanson — 1 confirmed meetings against Mark O'Brien. 27 Oct 2012 – 27 Oct 2012.
- Daniel Sweeney — 1 confirmed meetings against Mark O'Brien. 21 Nov 2017 – 21 Nov 2017.
- Daniel Ward — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Daniel Wright — 1 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 4 Feb 2017.
- Danilo — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Dannie Bulman — 1 confirmed meetings against Mark O'Brien. 29 Dec 2018 – 29 Dec 2018.
- Danny Murphy — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Danny Parish — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Danny Simpson — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Danny Ward — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Danny Williams — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Dany N'Guessan — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- Dara O'Shea — 1 confirmed meetings against Mark O'Brien. 19 Jan 2019 – 19 Jan 2019.
- Darius Vassell — 1 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 1 Oct 2011.
- Darren Ambrose — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Darren Barr — 1 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 13 Sept 2014.
- Darren O'Dea — 1 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 26 Dec 2011.
- Darren Randolph — 1 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 26 Jan 2019.
- Darren Ward — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- Darryl Westlake — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Dave Kitson — 1 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 29 Oct 2011.
- David Atkinson — 1 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 24 Nov 2015.
- David Ball — 1 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 5 Nov 2011.
- David Bell — 1 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 10 Sept 2011.
- David Connolly — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- David Dunn — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- David Edgar — 1 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 27 Aug 2011.
- David Fitzpatrick — 1 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 22 Apr 2019.
- David Goodwillie — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- David James — 1 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 10 Dec 2011.
- David López — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- David Nugent — 1 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 1 Oct 2011.
- David Prutton — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- David Raven — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- David Silva — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- David Wheater — 1 confirmed meetings against Mark O'Brien. 23 Nov 2019 – 23 Nov 2019.
- David Wilson — 1 confirmed meetings against Mark O'Brien. 23 May 2015 – 23 May 2015.
- Dean Brill — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Dean Cox — 1 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 1 Apr 2017.
- Dean Gerken — 1 confirmed meetings against Mark O'Brien. 26 Oct 2019 – 26 Oct 2019.
- Dean Lewington — 1 confirmed meetings against Mark O'Brien. 23 Feb 2019 – 23 Feb 2019.
- Dean Lyness — 1 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 18 Mar 2017.
- Dean Wells — 1 confirmed meetings against Mark O'Brien. 21 Nov 2015 – 21 Nov 2015.
- Dean Winnard — 1 confirmed meetings against Mark O'Brien. 14 Mar 2017 – 14 Mar 2017.
- Declan McDaid — 1 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 4 Oct 2014.
- Dekel Keinan — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Demarai Gray — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Denny Johnstone — 1 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 14 Jan 2017.
- Derek Asamoah — 1 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 24 Nov 2015.
- Derrick Williams — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Désiré Segbé-Azankpo — 1 confirmed meetings against Mark O'Brien. 23 Nov 2019 – 23 Nov 2019.
- Dexter Blackstock — 1 confirmed meetings against Mark O'Brien. 19 Jan 2013 – 19 Jan 2013.
- Diaz Wright — 1 confirmed meetings against Mark O'Brien. 17 Nov 2018 – 17 Nov 2018.
- Diego De Girolamo — 1 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 4 Feb 2017.
- Dillon Barnes — 1 confirmed meetings against Mark O'Brien. 17 Nov 2018 – 17 Nov 2018.
- Dimitrios Konstantopoulos — 1 confirmed meetings against Mark O'Brien. 5 Feb 2019 – 5 Feb 2019.
- Dominic Bernard — 1 confirmed meetings against Mark O'Brien. 31 Aug 2019 – 31 Aug 2019.
- Dominic Hyam — 1 confirmed meetings against Mark O'Brien. 30 Mar 2018 – 30 Mar 2018.
- Dominic Poleon — 1 confirmed meetings against Mark O'Brien. 29 Dec 2018 – 29 Dec 2018.
- Drissa Traoré — 1 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 14 Oct 2017.
- Dylan Connolly — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Dylan Mottley-Henry — 1 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 22 Sept 2018.
- Emmanuel Dieseruvwe — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Elliott List — 1 confirmed meetings against Mark O'Brien. 14 Dec 2019 – 14 Dec 2019.
- Ebrima Adams — 1 confirmed meetings against Mark O'Brien. 31 Aug 2019 – 31 Aug 2019.
- Ederson — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Efetobore Ambrose — 1 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Sept 2014.
- Egli Kaja — 1 confirmed meetings against Mark O'Brien. 14 Sept 2019 – 14 Sept 2019.
- El-Hadji Diouf — 1 confirmed meetings against Mark O'Brien. 8 Dec 2012 – 8 Dec 2012.
- Elliot Grandin — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Elliot Lee — 1 confirmed meetings against Mark O'Brien. 17 Mar 2018 – 17 Mar 2018.
- Elliott Durrell — 1 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 22 Apr 2019.
- Elliott Ward — 1 confirmed meetings against Mark O'Brien. 19 Jan 2013 – 19 Jan 2013.
- Emmanuel Onariase — 1 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 4 Feb 2017.
- Emmanuel Osadebe — 1 confirmed meetings against Mark O'Brien. 17 Sept 2019 – 17 Sept 2019.
- Emmanuel Oyeleke — 1 confirmed meetings against Mark O'Brien. 29 Jan 2019 – 29 Jan 2019.
- Emmanuel Sonupe — 1 confirmed meetings against Mark O'Brien. 14 Dec 2019 – 14 Dec 2019.
- Enda Stevens — 1 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 29 Aug 2015.
- Eoghan Stokes — 1 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 22 Aug 2017.
- Eoin Doyle — 1 confirmed meetings against Mark O'Brien. 28 Sept 2019 – 28 Sept 2019.
- Erhun Öztümer — 1 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 4 Nov 2017.
- Erik Huseklepp — 1 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 29 Oct 2011.
- Erik Lamela — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Erik Pieters — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Ethan Chislett — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Ezgjan Alioski — 1 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 22 Aug 2017.
- Fabián Balbuena — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- Felipe Anderson — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- Fernandinho — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Filip Kiss — 1 confirmed meetings against Mark O'Brien. 2 May 2015 – 2 May 2015.
- Filipe Morais — 1 confirmed meetings against Mark O'Brien. 23 Nov 2019 – 23 Nov 2019.
- Frazer Richardson — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Frazer Wright — 1 confirmed meetings against Mark O'Brien. 31 Oct 2014 – 31 Oct 2014.
- Freddy Moncur — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Frédéric Piquionne — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- Gabriel Jesus — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Gabriel Zakuani — 1 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 5 Nov 2011.
- Gaël Bigirimana — 1 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 10 Sept 2011.
- Gaetano Berardi — 1 confirmed meetings against Mark O'Brien. 7 Jan 2018 – 7 Jan 2018.
- Gareth Evans — 1 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 29 Aug 2015.
- Garry Thompson — 1 confirmed meetings against Mark O'Brien. 23 Jan 2018 – 23 Jan 2018.
- Gary Dicker — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Gary Mackay-Steven — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Gary Roberts — 1 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 29 Aug 2015.
- Gary Sawyer — 1 confirmed meetings against Mark O'Brien. 17 Aug 2019 – 17 Aug 2019.
- Gary Taylor-Fletcher — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Gary Woods — 1 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 20 Aug 2011.
- Gavin Massey — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Gélson Fernandes — 1 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 1 Oct 2011.
- Geoff Cameron — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- George Elokobi — 1 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 14 Jan 2017.
- George Marsh — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- George McCartney — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- George Saville — 1 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 26 Jan 2019.
- George Tanner — 1 confirmed meetings against Mark O'Brien. 21 Dec 2019 – 21 Dec 2019.
- George Williams — 1 confirmed meetings against Mark O'Brien. 26 Dec 2018 – 26 Dec 2018.
- Georgie Francomb — 1 confirmed meetings against Mark O'Brien. 29 Dec 2018 – 29 Dec 2018.
- Gerry McDonagh — 1 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 18 Feb 2017.
- Gevaro Nepomuceno — 1 confirmed meetings against Mark O'Brien. 30 Apr 2019 – 30 Apr 2019.
- Giles Barnes — 1 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 20 Aug 2011.
- Giles Coke — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Glenn Murray — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Gold Omotayo — 1 confirmed meetings against Mark O'Brien. 19 Apr 2019 – 19 Apr 2019.
- Gonzalo Jara — 1 confirmed meetings against Mark O'Brien. 19 Jan 2013 – 19 Jan 2013.
- Gordon Greer — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Graeme Shinnie — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Grant Hanley — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Grant Leadbitter — 1 confirmed meetings against Mark O'Brien. 1 Jan 2013 – 1 Jan 2013.
- Grant Smith — 1 confirmed meetings against Mark O'Brien. 22 Dec 2018 – 22 Dec 2018.
- Greg Kiltie — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Greg Tansey — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Gregory Cunningham — 1 confirmed meetings against Mark O'Brien. 15 Dec 2012 – 15 Dec 2012.
- Guly — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Hiram Boateng — 1 confirmed meetings against Mark O'Brien. 2 Sept 2017 – 2 Sept 2017.
- Harvey Rodgers — 1 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 22 Apr 2017.
- Hadi Sacko — 1 confirmed meetings against Mark O'Brien. 7 Jan 2018 – 7 Jan 2018.
- Hakeem Odoffin — 1 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 27 Nov 2018.
- Hameur Bouazza — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- Hamza Choudhury — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Hamza Kaid — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Harry Beautyman — 1 confirmed meetings against Mark O'Brien. 5 Aug 2017 – 5 Aug 2017.
- Harry Davis — 1 confirmed meetings against Mark O'Brien. 20 Nov 2019 – 20 Nov 2019.
- Harry Pell — 1 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 4 Feb 2017.
- Harry Winks — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Hayden Coulson — 1 confirmed meetings against Mark O'Brien. 13 Apr 2019 – 13 Apr 2019.
- Hayden White — 1 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 21 Oct 2017.
- Hector Kyprianou — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- Henri Lansbury — 1 confirmed meetings against Mark O'Brien. 19 Jan 2013 – 19 Jan 2013.
- Henry Cowans — 1 confirmed meetings against Mark O'Brien. 7 Jan 2017 – 7 Jan 2017.
- Henry Woods — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Ian Lawlor — 1 confirmed meetings against Mark O'Brien. 10 Feb 2017 – 10 Feb 2017.
- Ian Black — 1 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 18 Mar 2017.
- Ian Sharps — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Ibou Touray — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Ibra Sekajja — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Ibrahim Meité — 1 confirmed meetings against Mark O'Brien. 26 Sept 2017 – 26 Sept 2017.
- Iffy Allen — 1 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 22 Aug 2015.
- İlkay Gündoğan — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Inigo Calderon — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Isaac Osbourne — 1 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 20 Dec 2014.
- Isaac Vassell — 1 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 21 Mar 2017.
- Issa Diop — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- James Brophy — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- J. Collins — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Jack Collison — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- Jake Doyle-Hayes — 1 confirmed meetings against Mark O'Brien. 13 Apr 2019 – 13 Apr 2019.
- John Eustace — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Joshua Gordon — 1 confirmed meetings against Mark O'Brien. 20 Aug 2019 – 20 Aug 2019.
- Jonathan Guthrie — 1 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 4 Nov 2017.
- Jack Hunt — 1 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 2 Feb 2013.
- Joshua Koroma — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Joe Powell — 1 confirmed meetings against Mark O'Brien. 12 Mar 2019 – 12 Mar 2019.
- Jake Reeves — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Jordan Shipley — 1 confirmed meetings against Mark O'Brien. 30 Mar 2018 – 30 Mar 2018.
- Jack Sparkes — 1 confirmed meetings against Mark O'Brien. 21 Sept 2019 – 21 Sept 2019.
- James Wilson — 1 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 10 Dec 2011.
- Jack Baird — 1 confirmed meetings against Mark O'Brien. 16 May 2015 – 16 May 2015.
- Jack Barthram — 1 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 4 Feb 2017.
- Jack Butland — 1 confirmed meetings against Mark O'Brien. 24 Nov 2012 – 24 Nov 2012.
- Jack Compton — 1 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 22 Aug 2015.
- Jack Cork — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Jack Hendry — 1 confirmed meetings against Mark O'Brien. 23 May 2015 – 23 May 2015.
- Jack Hobbs — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Jack Iredale — 1 confirmed meetings against Mark O'Brien. 5 Oct 2019 – 5 Oct 2019.
- Jack Kiersey — 1 confirmed meetings against Mark O'Brien. 20 Aug 2019 – 20 Aug 2019.
- Jack Marriott — 1 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 21 Mar 2017.
- Jack Mazzone — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Jack Payne — 1 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 18 Mar 2017.
- Jack Thomas — 1 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 19 Sept 2015.
- Jack Williams — 1 confirmed meetings against Mark O'Brien. 21 Sept 2019 – 21 Sept 2019.
- Jack Wilshere — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- Jacob Butterfield — 1 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 27 Sept 2011.
- Jacob Kean — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Jacob Lawlor — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- Jacob Maddox — 1 confirmed meetings against Mark O'Brien. 15 Mar 2019 – 15 Mar 2019.
- Jake Cooper — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Jake Hesketh — 1 confirmed meetings against Mark O'Brien. 23 Feb 2019 – 23 Feb 2019.
- Jakub Sokolik — 1 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 22 Aug 2015.
- James Berrett — 1 confirmed meetings against Mark O'Brien. 23 Sept 2017 – 23 Sept 2017.
- James Chester — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- James Clarke — 1 confirmed meetings against Mark O'Brien. 20 Aug 2019 – 20 Aug 2019.
- James Dayton — 1 confirmed meetings against Mark O'Brien. 16 May 2015 – 16 May 2015.
- James Dunne — 1 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 8 Dec 2018.
- James Dunne — 1 confirmed meetings against Mark O'Brien. 24 Apr 2018 – 24 Apr 2018.
- James Forrest — 1 confirmed meetings against Mark O'Brien. 21 Jan 2015 – 21 Jan 2015.
- James Hamill — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- James Hanson — 1 confirmed meetings against Mark O'Brien. 9 Nov 2019 – 9 Nov 2019.
- James Hardy — 1 confirmed meetings against Mark O'Brien. 20 Aug 2019 – 20 Aug 2019.
- James Henry — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- James Jennings — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- James Jones — 1 confirmed meetings against Mark O'Brien. 7 Jan 2017 – 7 Jan 2017.
- James Maddison — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- James Montgomery — 1 confirmed meetings against Mark O'Brien. 26 Dec 2018 – 26 Dec 2018.
- James Rowe — 1 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 4 Feb 2017.
- James Tomkins — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- James Vincent — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Jamie Barjonas — 1 confirmed meetings against Mark O'Brien. 23 Oct 2018 – 23 Oct 2018.
- Jamie Stott — 1 confirmed meetings against Mark O'Brien. 23 Nov 2019 – 23 Nov 2019.
- Jamie Ward — 1 confirmed meetings against Mark O'Brien. 19 Oct 2019 – 19 Oct 2019.
- Jarosław Fojut — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Jason Kennedy — 1 confirmed meetings against Mark O'Brien. 24 Nov 2015 – 24 Nov 2015.
- Jason Lowe — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Jason McCarthy — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Jason Oswell — 1 confirmed meetings against Mark O'Brien. 27 Oct 2018 – 27 Oct 2018.
- Jason Pearce — 1 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 29 Oct 2011.
- Jay McEveley — 1 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 27 Sept 2011.
- Jay Rodríguez — 1 confirmed meetings against Mark O'Brien. 27 Aug 2011 – 27 Aug 2011.
- Jay-Alistaire Simpson — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- Jay-Roy Grot — 1 confirmed meetings against Mark O'Brien. 7 Jan 2018 – 7 Jan 2018.
- Jayden Richardson — 1 confirmed meetings against Mark O'Brien. 21 Sept 2019 – 21 Sept 2019.
- Jayson Molumby — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Jean Beausejour — 1 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 6 Aug 2011.
- Jean-Louis Akpa Akpro — 1 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 14 Apr 2017.
- Jeffrey Schlupp — 1 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 1 Oct 2011.
- Jem Karacan — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Jeremy Arthur — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Jérémy Helan — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Jermaine Anderson — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Jermaine Grandison — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Jermaine Johnson — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Jermaine McGlashan — 1 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 8 Dec 2018.
- Jim Goodwin — 1 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 20 Dec 2014.
- Jimmy Kébé — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Jimmy McNulty — 1 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 27 Sept 2011.
- Jiří Skalák — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Jodi Jones — 1 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 19 Aug 2017.
- Joe Bennett — 1 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 22 Oct 2011.
- Joe Davis — 1 confirmed meetings against Mark O'Brien. 24 Feb 2018 – 24 Feb 2018.
- Joe Dudgeon — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Joe Fryer — 1 confirmed meetings against Mark O'Brien. 5 Aug 2017 – 5 Aug 2017.
- Joe Riley — 1 confirmed meetings against Mark O'Brien. 17 Aug 2019 – 17 Aug 2019.
- Joe Wright — 1 confirmed meetings against Mark O'Brien. 10 Feb 2017 – 10 Feb 2017.
- Joel Byrom — 1 confirmed meetings against Mark O'Brien. 1 Jan 2019 – 1 Jan 2019.
- Joel Lynch — 1 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 17 Sept 2011.
- Joel Ward — 1 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 29 Oct 2011.
- Joey Jones — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- John Carew — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- John Gilbert — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- John Guidetti — 1 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Sept 2014.
- John McAtee — 1 confirmed meetings against Mark O'Brien. 11 Jan 2020 – 11 Jan 2020.
- John McGinn — 1 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 20 Dec 2014.
- John Oster — 1 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 20 Aug 2011.
- John Rankin — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- John Souttar — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- John Stones — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Johnny Mullins — 1 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 21 Mar 2017.
- Jón Böðvarsson — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Jonathan Edwards — 1 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 22 Apr 2017.
- Jonathan Evans — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Jonathan Greening — 1 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 17 Sept 2011.
- Jonathan Hayes — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Jonathan Hippolyte — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Jonathan Hooper — 1 confirmed meetings against Mark O'Brien. 23 Sept 2017 – 23 Sept 2017.
- Jonathan Howson — 1 confirmed meetings against Mark O'Brien. 5 Feb 2019 – 5 Feb 2019.
- Jonathan Kodjia — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Jonathan Maddison — 1 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 14 Apr 2017.
- Jonathan Parr — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Jonathan Spector — 1 confirmed meetings against Mark O'Brien. 24 Nov 2012 – 24 Nov 2012.
- Jonathan Walters — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Jonathan Woodgate — 1 confirmed meetings against Mark O'Brien. 1 Jan 2013 – 1 Jan 2013.
- Jonson Clarke-Harris — 1 confirmed meetings against Mark O'Brien. 30 Mar 2018 – 30 Mar 2018.
- Jordan Archer — 1 confirmed meetings against Mark O'Brien. 7 Sept 2019 – 7 Sept 2019.
- Jordan Clarke — 1 confirmed meetings against Mark O'Brien. 11 Jan 2020 – 11 Jan 2020.
- Jordan Green — 1 confirmed meetings against Mark O'Brien. 15 Sept 2018 – 15 Sept 2018.
- Jordan Hugill — 1 confirmed meetings against Mark O'Brien. 5 Feb 2019 – 5 Feb 2019.
- Jordan Maguire-Drew — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- Jordan McMillan — 1 confirmed meetings against Mark O'Brien. 4 Oct 2014 – 4 Oct 2014.
- Jordan Ponticelli — 1 confirmed meetings against Mark O'Brien. 30 Mar 2018 – 30 Mar 2018.
- Jordan Rhodes — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Jordan Roberts — 1 confirmed meetings against Mark O'Brien. 26 Sept 2017 – 26 Sept 2017.
- Jordan Rossiter — 1 confirmed meetings against Mark O'Brien. 19 Apr 2019 – 19 Apr 2019.
- Jordan Sinnott — 1 confirmed meetings against Mark O'Brien. 26 Aug 2017 – 26 Aug 2017.
- Jordan Smith — 1 confirmed meetings against Mark O'Brien. 9 Feb 2019 – 9 Feb 2019.
- Jordan Stewart — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- Jordan Thorniley — 1 confirmed meetings against Mark O'Brien. 18 Nov 2017 – 18 Nov 2017.
- Jordan Tunnicliffe — 1 confirmed meetings against Mark O'Brien. 22 Oct 2019 – 22 Oct 2019.
- Jordan Willis — 1 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 19 Aug 2017.
- Jordi Balk — 1 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 13 Sept 2014.
- Jordon Forster — 1 confirmed meetings against Mark O'Brien. 24 Nov 2018 – 24 Nov 2018.
- Jordon Mutch — 1 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 6 Aug 2011.
- Jorome Slew — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Jos Hooiveld — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- José Fonte — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Josef Yarney — 1 confirmed meetings against Mark O'Brien. 27 Oct 2018 – 27 Oct 2018.
- Joselu — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Joseph Bryan — 1 confirmed meetings against Mark O'Brien. 15 Dec 2012 – 15 Dec 2012.
- Joseph Jones — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Joseph O'Brien — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- Joseph Walsh — 1 confirmed meetings against Mark O'Brien. 23 Feb 2019 – 23 Feb 2019.
- Joseph Wollacott — 1 confirmed meetings against Mark O'Brien. 31 Aug 2019 – 31 Aug 2019.
- Josh Lelan — 1 confirmed meetings against Mark O'Brien. 26 Sept 2017 – 26 Sept 2017.
- Josh Meekings — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Josh Wakefield — 1 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 22 Aug 2015.
- Josh Webb — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Joshua Clackstone — 1 confirmed meetings against Mark O'Brien. 6 May 2017 – 6 May 2017.
- Joshua Clarke — 1 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 14 Nov 2015.
- Joshua Grant — 1 confirmed meetings against Mark O'Brien. 30 Mar 2019 – 30 Mar 2019.
- Joshua King — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Joshua Laurent — 1 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Joshua Magennis — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Joshua Wright — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- Juan Foyth — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Julián Speroni — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Julien Faubert — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- Julio Arca — 1 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 22 Oct 2011.
- Junior Ogedi-Uzokwe — 1 confirmed meetings against Mark O'Brien. 3 Feb 2018 – 3 Feb 2018.
- Justin Hoyte — 1 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 22 Oct 2011.
- Kalifa Cissé — 1 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 10 Dec 2011.
- Kalvin Phillips — 1 confirmed meetings against Mark O'Brien. 7 Jan 2018 – 7 Jan 2018.
- Kane Wilson — 1 confirmed meetings against Mark O'Brien. 19 Jan 2019 – 19 Jan 2019.
- Karl Darlow — 1 confirmed meetings against Mark O'Brien. 19 Jan 2013 – 19 Jan 2013.
- Kaspars Gorkšs — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Kasper Schmeichel — 1 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 1 Oct 2011.
- Kazenga LuaLua — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Keanu Marsh-Brown — 1 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 14 Oct 2017.
- Keith Fahey — 1 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 6 Aug 2011.
- Keith Southern — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Kelechi Ịheanachọ — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Kelvin Davis — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Kemar Roofe — 1 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 22 Aug 2017.
- Kenneth McLean — 1 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 20 Dec 2014.
- Keshi Anderson — 1 confirmed meetings against Mark O'Brien. 9 Apr 2019 – 9 Apr 2019.
- Kevin McBride — 1 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 18 Oct 2014.
- Kevin Nolan — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- Kevin Phillips — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Kevin Roberts — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- Kieran Lee — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Kieran O'Hara — 1 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 22 Apr 2019.
- Kieran Sadlier — 1 confirmed meetings against Mark O'Brien. 16 May 2015 – 16 May 2015.
- Klaidi Lolos — 1 confirmed meetings against Mark O'Brien. 17 Aug 2019 – 17 Aug 2019.
- Kojo Awotwi — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Korey Smith — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Kostadin Veselinov Gadzhalov — 1 confirmed meetings against Mark O'Brien. 10 Jan 2015 – 10 Jan 2015.
- Kristian Dennis — 1 confirmed meetings against Mark O'Brien. 26 Aug 2017 – 26 Aug 2017.
- Kwame Poku — 1 confirmed meetings against Mark O'Brien. 26 Oct 2019 – 26 Oct 2019.
- Kyel Reid — 1 confirmed meetings against Mark O'Brien. 30 Mar 2018 – 30 Mar 2018.
- Kyle Howkins — 1 confirmed meetings against Mark O'Brien. 24 Feb 2018 – 24 Feb 2018.
- Kyle Letheren — 1 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 18 Oct 2014.
- Kyle Taylor — 1 confirmed meetings against Mark O'Brien. 31 Aug 2019 – 31 Aug 2019.
- Kyle Walker-Peters — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Kyle Wootton — 1 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 4 Feb 2017.
- Lee Burge — 1 confirmed meetings against Mark O'Brien. 30 Mar 2018 – 30 Mar 2018.
- Lance Akins — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Larnell Cole — 1 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 22 Sept 2018.
- Laste Dombaxe — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Lawrence Shankland — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Lawrence Vigouroux — 1 confirmed meetings against Mark O'Brien. 8 Dec 2018 – 8 Dec 2018.
- Lee Adamson Miller — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Lee Angol — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- Lee Ashcroft — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Lee Camp — 1 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 17 Sept 2011.
- Lee Frecklington — 1 confirmed meetings against Mark O'Brien. 22 Dec 2018 – 22 Dec 2018.
- Lee Grant — 1 confirmed meetings against Mark O'Brien. 26 Dec 2012 – 26 Dec 2012.
- Lee Hodson — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Lee Martin — 1 confirmed meetings against Mark O'Brien. 21 Sept 2019 – 21 Sept 2019.
- Lee Tomlin — 1 confirmed meetings against Mark O'Brien. 27 Oct 2012 – 27 Oct 2012.
- Leigh Griffiths — 1 confirmed meetings against Mark O'Brien. 21 Jan 2015 – 21 Jan 2015.
- Leon Davies — 1 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 18 Feb 2017.
- Leroy Lita — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Leroy Sané — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Levi Sutton — 1 confirmed meetings against Mark O'Brien. 19 Oct 2019 – 19 Oct 2019.
- Lewin Nyatanga — 1 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 10 Dec 2011.
- Lewis Buxton — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Lewis Hardcastle — 1 confirmed meetings against Mark O'Brien. 1 Sept 2018 – 1 Sept 2018.
- Lewis Hawkins — 1 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Lewis McGugan — 1 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 17 Sept 2011.
- Lewis McLear — 1 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 20 Dec 2014.
- Lewis Ward — 1 confirmed meetings against Mark O'Brien. 21 Sept 2019 – 21 Sept 2019.
- Lewis Morgan — 1 confirmed meetings against Mark O'Brien. 16 May 2015 – 16 May 2015.
- Lewis Scoble — 1 confirmed meetings against Mark O'Brien. 31 Aug 2019 – 31 Aug 2019.
- Lewis Thomas — 1 confirmed meetings against Mark O'Brien. 31 Aug 2019 – 31 Aug 2019.
- Liam Bridcutt — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Liam Caddis — 1 confirmed meetings against Mark O'Brien. 31 Oct 2014 – 31 Oct 2014.
- Liam Davis — 1 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 4 Feb 2017.
- Liam Donnelly — 1 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Liam Feeney — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- Liam Kelly — 1 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 19 Aug 2017.
- Liam Lawrence — 1 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 29 Oct 2011.
- Liam McAlinden — 1 confirmed meetings against Mark O'Brien. 2 Sept 2017 – 2 Sept 2017.
- Liam McCarron — 1 confirmed meetings against Mark O'Brien. 2 Mar 2019 – 2 Mar 2019.
- Liam Noble — 1 confirmed meetings against Mark O'Brien. 17 Feb 2018 – 17 Feb 2018.
- Liam O'Brien — 1 confirmed meetings against Mark O'Brien. 19 Aug 2017 – 19 Aug 2017.
- Liam Palmer — 1 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 5 Jan 2013.
- Liam Ridgewell — 1 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 6 Aug 2011.
- Liam Roberts — 1 confirmed meetings against Mark O'Brien. 20 Aug 2019 – 20 Aug 2019.
- Liam Rosenior — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Liam Trotter — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- Lionel Ainsworth — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Llorente — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Lloyd Doyley — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Lloyd Dyer — 1 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 1 Oct 2011.
- Lois Maynard — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Louis Birch — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Louis Dodds — 1 confirmed meetings against Mark O'Brien. 1 Sept 2018 – 1 Sept 2018.
- Louis John — 1 confirmed meetings against Mark O'Brien. 29 Sept 2018 – 29 Sept 2018.
- Louis Reed — 1 confirmed meetings against Mark O'Brien. 26 Aug 2017 – 26 Aug 2017.
- Ludvig Öhman — 1 confirmed meetings against Mark O'Brien. 9 Nov 2019 – 9 Nov 2019.
- Luka Tankulić — 1 confirmed meetings against Mark O'Brien. 10 Jan 2015 – 10 Jan 2015.
- Łukasz Załuska — 1 confirmed meetings against Mark O'Brien. 21 Sept 2014 – 21 Sept 2014.
- Luke Chambers — 1 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 17 Sept 2011.
- Luke Coulson — 1 confirmed meetings against Mark O'Brien. 21 Jan 2017 – 21 Jan 2017.
- Luke Croll — 1 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 8 Apr 2017.
- Luke Freeman — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Luke James — 1 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 14 Oct 2017.
- Luke Leahy — 1 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 4 Nov 2017.
- Luke McCullough — 1 confirmed meetings against Mark O'Brien. 22 Sept 2018 – 22 Sept 2018.
- Luke Steele — 1 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 27 Sept 2011.
- Luke Wilkinson — 1 confirmed meetings against Mark O'Brien. 5 Aug 2017 – 5 Aug 2017.
- Luke Williams — 1 confirmed meetings against Mark O'Brien. 1 Jan 2013 – 1 Jan 2013.
- Luke Williams — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Luke Young — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- Luke Young — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- Luther James-Wildin — 1 confirmed meetings against Mark O'Brien. 1 Jan 2019 – 1 Jan 2019.
- Lyle Taylor — 1 confirmed meetings against Mark O'Brien. 23 May 2015 – 23 May 2015.
- Matthew Butcher — 1 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 14 Apr 2017.
- Michael Duff — 1 confirmed meetings against Mark O'Brien. 26 Dec 2012 – 26 Dec 2012.
- Mike Fondop-Talum — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- Mikele Leigertwood — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Matthew Virtue-Thick — 1 confirmed meetings against Mark O'Brien. 17 Feb 2018 – 17 Feb 2018.
- Macaulay Gillesphey — 1 confirmed meetings against Mark O'Brien. 29 Apr 2017 – 29 Apr 2017.
- Madger Gomes — 1 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 22 Aug 2017.
- Malaury Martin — 1 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 22 Oct 2011.
- Mallik Wilks — 1 confirmed meetings against Mark O'Brien. 18 Nov 2017 – 18 Nov 2017.
- Mame Diouf — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Manuel Pascali — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Marc Albrighton — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Marc Bola — 1 confirmed meetings against Mark O'Brien. 6 May 2017 – 6 May 2017.
- Marc McAusland — 1 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 20 Dec 2014.
- Marc Richards — 1 confirmed meetings against Mark O'Brien. 9 Apr 2019 – 9 Apr 2019.
- Marc Wilson — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Marcus Fraser — 1 confirmed meetings against Mark O'Brien. 2 May 2015 – 2 May 2015.
- Marcus Olsson — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Marcus Tavernier — 1 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 26 Jan 2019.
- Marek Rodák — 1 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 22 Apr 2017.
- Marián Kello — 1 confirmed meetings against Mark O'Brien. 16 May 2015 – 16 May 2015.
- Mark Brown — 1 confirmed meetings against Mark O'Brien. 2 May 2015 – 2 May 2015.
- Mark Byrne — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Mark Carrington — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- Mark Harris — 1 confirmed meetings against Mark O'Brien. 29 Jan 2019 – 29 Jan 2019.
- Mark Howard — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Mark Marshall — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Mark McKee — 1 confirmed meetings against Mark O'Brien. 5 Aug 2017 – 5 Aug 2017.
- Mark Noble — 1 confirmed meetings against Mark O'Brien. 26 Nov 2011 – 26 Nov 2011.
- Mark O'Hara — 1 confirmed meetings against Mark O'Brien. 27 Apr 2019 – 27 Apr 2019.
- Mark Randall — 1 confirmed meetings against Mark O'Brien. 26 Sept 2017 – 26 Sept 2017.
- Mark Reynolds — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Mark Ridgers — 1 confirmed meetings against Mark O'Brien. 20 Dec 2014 – 20 Dec 2014.
- Mark Wilson — 1 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 20 Aug 2011.
- Mark Wright — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Mark Yeates — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Marko Arnautović — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Márkó Futács — 1 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 29 Oct 2011.
- Marley Watkins — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Marlon King — 1 confirmed meetings against Mark O'Brien. 24 Nov 2012 – 24 Nov 2012.
- Marlon Pack — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Martin Boyle — 1 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 18 Oct 2014.
- Martin Cranie — 1 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 10 Sept 2011.
- Martin Olsson — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Martin Paterson — 1 confirmed meetings against Mark O'Brien. 26 Dec 2012 – 26 Dec 2012.
- Martin Taylor — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Marvin Ekpiteta — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- Marvin Emnes — 1 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 22 Oct 2011.
- Marvin Morgan — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Marvin Sordell — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Mason Enigbokan-Bloomfield — 1 confirmed meetings against Mark O'Brien. 22 Oct 2019 – 22 Oct 2019.
- Mathew Sadler — 1 confirmed meetings against Mark O'Brien. 20 Aug 2019 – 20 Aug 2019.
- Mathieu Baudry — 1 confirmed meetings against Mark O'Brien. 23 Feb 2019 – 23 Feb 2019.
- Mathieu Manset — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Mathieu Smith — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Matt Fryatt — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Matt Oakley — 1 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 8 Apr 2017.
- Matthew Blair — 1 confirmed meetings against Mark O'Brien. 10 Feb 2017 – 10 Feb 2017.
- Matthew Clarke — 1 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 29 Aug 2015.
- Matthew Derbyshire — 1 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 17 Sept 2011.
- Matthew Gilks — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Matthew Hill — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Matthew James — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Matthew Lund — 1 confirmed meetings against Mark O'Brien. 11 Jan 2020 – 11 Jan 2020.
- Matthew Macey — 1 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 21 Mar 2017.
- Matthew Pearson — 1 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 22 Apr 2017.
- Matthew Penney — 1 confirmed meetings against Mark O'Brien. 13 Feb 2018 – 13 Feb 2018.
- Matthew Preston — 1 confirmed meetings against Mark O'Brien. 9 Feb 2019 – 9 Feb 2019.
- Matthew Richards — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Matthew Tubbs — 1 confirmed meetings against Mark O'Brien. 29 Aug 2015 – 29 Aug 2015.
- Matthew Warburton — 1 confirmed meetings against Mark O'Brien. 14 Sept 2019 – 14 Sept 2019.
- Matthew Worthington — 1 confirmed meetings against Mark O'Brien. 30 Mar 2019 – 30 Mar 2019.
- Max Blackmore — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Max Müller — 1 confirmed meetings against Mark O'Brien. 23 Jan 2018 – 23 Jan 2018.
- Max Power — 1 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 5 Jan 2013.
- Maximilian Ehmer — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Maziar Kouhyar — 1 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 4 Nov 2017.
- Mekail McLaughlin — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Mekhi Leacock-McLeod — 1 confirmed meetings against Mark O'Brien. 18 Nov 2017 – 18 Nov 2017.
- Melvin de Leeuw — 1 confirmed meetings against Mark O'Brien. 13 Sept 2014 – 13 Sept 2014.
- Merouane Zemmama — 1 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 22 Oct 2011.
- Michael Brown — 1 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 26 Dec 2011.
- Michael Collins — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Michael Duckworth — 1 confirmed meetings against Mark O'Brien. 14 Mar 2017 – 14 Mar 2017.
- Michael Gash — 1 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 14 Nov 2015.
- Michael Harriman — 1 confirmed meetings against Mark O'Brien. 14 Sept 2019 – 14 Sept 2019.
- Michael Woods — 1 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Michel Vorm — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Miguel Llera — 1 confirmed meetings against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Mikael Lustig — 1 confirmed meetings against Mark O'Brien. 21 Jan 2015 – 21 Jan 2015.
- Mikael Ndjoli — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Mikel Obi — 1 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 26 Jan 2019.
- Milan Lalkovič — 1 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 20 Aug 2011.
- Mile Jedinak — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Mohamad Sylla — 1 confirmed meetings against Mark O'Brien. 30 Apr 2019 – 30 Apr 2019.
- Mohammed Sagaf — 1 confirmed meetings against Mark O'Brien. 5 Oct 2019 – 5 Oct 2019.
- Morgan Roberts — 1 confirmed meetings against Mark O'Brien. 27 Nov 2018 – 27 Nov 2018.
- Morgan Schneiderlin — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Morgaro Gomis — 1 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 6 Aug 2011.
- Morten Pedersen — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Moussa Sissoko — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Murray Davidson — 1 confirmed meetings against Mark O'Brien. 31 Jan 2015 – 31 Jan 2015.
- Mustapha Dumbuya — 1 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 20 Aug 2011.
- Myles Judd — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Noah Chilvers — 1 confirmed meetings against Mark O'Brien. 9 Mar 2019 – 9 Mar 2019.
- Nadir Çiftçi — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Nadjim Abdou — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- Nana Kyei — 1 confirmed meetings against Mark O'Brien. 21 Jan 2017 – 21 Jan 2017.
- Nathan Arnold — 1 confirmed meetings against Mark O'Brien. 23 Dec 2017 – 23 Dec 2017.
- Nathan Clarke — 1 confirmed meetings against Mark O'Brien. 23 Sept 2017 – 23 Sept 2017.
- Nathan Delfouneso — 1 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 18 Mar 2017.
- Nathan Ferguson — 1 confirmed meetings against Mark O'Brien. 22 Oct 2019 – 22 Oct 2019.
- Nathan Pond — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Neil Kilkenny — 1 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 10 Dec 2011.
- Neil McLaughlin — 1 confirmed meetings against Mark O'Brien. 23 May 2015 – 23 May 2015.
- Nesta Guinness-Walker — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Niall Canavan — 1 confirmed meetings against Mark O'Brien. 17 Aug 2019 – 17 Aug 2019.
- Niall Mason — 1 confirmed meetings against Mark O'Brien. 10 Feb 2017 – 10 Feb 2017.
- Niall McGinn — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Nicholas Ross — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Nicky Featherstone — 1 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Nicky Wroe — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Nicolás Otamendi — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Nikola Zigic — 1 confirmed meetings against Mark O'Brien. 24 Nov 2012 – 24 Nov 2012.
- Noel Hunt — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Omar Beckles — 1 confirmed meetings against Mark O'Brien. 22 Apr 2017 – 22 Apr 2017.
- Owen Dale — 1 confirmed meetings against Mark O'Brien. 12 Jan 2019 – 12 Jan 2019.
- Oliver Turton — 1 confirmed meetings against Mark O'Brien. 11 Mar 2017 – 11 Mar 2017.
- Offrande Zanzala — 1 confirmed meetings against Mark O'Brien. 24 Apr 2018 – 24 Apr 2018.
- Oladapo Afolayan — 1 confirmed meetings against Mark O'Brien. 30 Apr 2019 – 30 Apr 2019.
- Oleksandr Zinchenko — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Oliver Finney — 1 confirmed meetings against Mark O'Brien. 12 Jan 2019 – 12 Jan 2019.
- Oliver Knight — 1 confirmed meetings against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Oliver Norwood — 1 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 2 Feb 2013.
- Oliver Watkins — 1 confirmed meetings against Mark O'Brien. 8 Apr 2017 – 8 Apr 2017.
- Omar Bugiel — 1 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 14 Oct 2017.
- Omari Sterling-James — 1 confirmed meetings against Mark O'Brien. 21 Oct 2017 – 21 Oct 2017.
- Oscar Threlkeld — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Otis Khan — 1 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 14 Apr 2017.
- Owain Williams — 1 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 5 Jan 2013.
- Owen Evans — 1 confirmed meetings against Mark O'Brien. 17 Sept 2019 – 17 Sept 2019.
- Patrick McCarthy — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Pablo Fornals — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- Pablo Zabaleta — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- Paddy Kenny — 1 confirmed meetings against Mark O'Brien. 8 Dec 2012 – 8 Dec 2012.
- Padhraic O'Connor — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Pádraig Amond — 1 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Patrick Kisnorbo — 1 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 26 Dec 2011.
- Paul Black — 1 confirmed meetings against Mark O'Brien. 5 Jan 2013 – 5 Jan 2013.
- Paul Caddis — 1 confirmed meetings against Mark O'Brien. 18 Jan 2020 – 18 Jan 2020.
- Paul Cairney — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Paul Connolly — 1 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 26 Dec 2011.
- Paul Dixon — 1 confirmed meetings against Mark O'Brien. 23 Sept 2017 – 23 Sept 2017.
- Paul Gallacher — 1 confirmed meetings against Mark O'Brien. 27 Dec 2014 – 27 Dec 2014.
- Paul Jones — 1 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 5 Nov 2011.
- Paul Konchesky — 1 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 1 Oct 2011.
- Paul McKay — 1 confirmed meetings against Mark O'Brien. 4 May 2019 – 4 May 2019.
- Paul McKenna — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Paul Paton — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Paul Robinson — 1 confirmed meetings against Mark O'Brien. 24 Sept 2011 – 24 Sept 2011.
- Paul Robinson — 1 confirmed meetings against Mark O'Brien. 24 Nov 2012 – 24 Nov 2012.
- Paul Rutherford — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- Paul Taylor — 1 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 5 Nov 2011.
- Pawel Cibicki — 1 confirmed meetings against Mark O'Brien. 7 Jan 2018 – 7 Jan 2018.
- Pelly Mpanzu — 1 confirmed meetings against Mark O'Brien. 21 Mar 2017 – 21 Mar 2017.
- Peter Crouch — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Péter Gulácsi — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Peter Løvenkrands — 1 confirmed meetings against Mark O'Brien. 24 Nov 2012 – 24 Nov 2012.
- Peter Murphy — 1 confirmed meetings against Mark O'Brien. 14 Mar 2017 – 14 Mar 2017.
- Peter Pawlett — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Peter Ramage — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Phil Bardsley — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Philip Foden — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Philipp Wollscheid — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Pierre-Michel Lasogga — 1 confirmed meetings against Mark O'Brien. 7 Jan 2018 – 7 Jan 2018.
- Quba Gordon — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Richard Brittain — 1 confirmed meetings against Mark O'Brien. 13 Dec 2014 – 13 Dec 2014.
- Reece Cole — 1 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 22 Apr 2019.
- Richard Naylor — 1 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 20 Aug 2011.
- Richard Smallwood — 1 confirmed meetings against Mark O'Brien. 1 Jan 2013 – 1 Jan 2013.
- Ruel Sotiriou — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- Ryan Tafazolli — 1 confirmed meetings against Mark O'Brien. 19 Sept 2015 – 19 Sept 2015.
- Ryan Watson — 1 confirmed meetings against Mark O'Brien. 21 Nov 2017 – 21 Nov 2017.
- Rachid Ghezzal — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Radosław Cierzniak — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Raffaele De Vita — 1 confirmed meetings against Mark O'Brien. 2 May 2015 – 2 May 2015.
- Rajiv van La Parra — 1 confirmed meetings against Mark O'Brien. 5 Feb 2019 – 5 Feb 2019.
- Rakish Bingham — 1 confirmed meetings against Mark O'Brien. 15 Mar 2019 – 15 Mar 2019.
- Ramón Núñez — 1 confirmed meetings against Mark O'Brien. 26 Dec 2011 – 26 Dec 2011.
- Rarmani Edmonds-Green — 1 confirmed meetings against Mark O'Brien. 18 Jan 2020 – 18 Jan 2020.
- Ravel Morrison — 1 confirmed meetings against Mark O'Brien. 24 Nov 2012 – 24 Nov 2012.
- Reece Brown — 1 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 20 Aug 2011.
- Regan Charles-Cook — 1 confirmed meetings against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Rene Gilmartin — 1 confirmed meetings against Mark O'Brien. 9 Mar 2019 – 9 Mar 2019.
- Reuben Hazell — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Rhys Murphy — 1 confirmed meetings against Mark O'Brien. 1 Apr 2017 – 1 Apr 2017.
- Ricardo Azevedo — 1 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 29 Oct 2011.
- Ricardo Tê — 1 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 27 Sept 2011.
- Richard Brindley — 1 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 14 Jan 2017.
- Richard Chaplow — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Richard Foster — 1 confirmed meetings against Mark O'Brien. 15 Dec 2012 – 15 Dec 2012.
- Richard Keogh — 1 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 10 Sept 2011.
- Richard O'Donnell — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Richard Towell — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Rickie Lambert — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Ritchie Sutton — 1 confirmed meetings against Mark O'Brien. 4 May 2019 – 4 May 2019.
- Riyad Mahrez — 1 confirmed meetings against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Rob Girdlestone — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Robbie Findley — 1 confirmed meetings against Mark O'Brien. 17 Sept 2011 – 17 Sept 2011.
- Robert Brady — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Robert Hall — 1 confirmed meetings against Mark O'Brien. 24 Nov 2012 – 24 Nov 2012.
- Robert Hassell — 1 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 27 Sept 2011.
- Robert Koren — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Robert Lainton — 1 confirmed meetings against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
- Robert Olejnik — 1 confirmed meetings against Mark O'Brien. 27 Oct 2012 – 27 Oct 2012.
- Robert Weir — 1 confirmed meetings against Mark O'Brien. 26 Aug 2017 – 26 Aug 2017.
- Roberto Jiménez — 1 confirmed meetings against Mark O'Brien. 27 Aug 2019 – 27 Aug 2019.
- Rochina — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Ronaldo Vieira — 1 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 22 Aug 2017.
- Rory McArdle — 1 confirmed meetings against Mark O'Brien. 19 Oct 2019 – 19 Oct 2019.
- Rory McKenzie — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Ross Barbour — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Ross Jenkins — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Roy O'Donovan — 1 confirmed meetings against Mark O'Brien. 10 Sept 2011 – 10 Sept 2011.
- Rudy Gestede — 1 confirmed meetings against Mark O'Brien. 5 Feb 2019 – 5 Feb 2019.
- Rushian Hepburn-Murphy — 1 confirmed meetings against Mark O'Brien. 13 Apr 2019 – 13 Apr 2019.
- Ryan Bennett — 1 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 5 Nov 2011.
- Ryan Bird — 1 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 22 Aug 2015.
- Ryan Christie — 1 confirmed meetings against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Ryan Dickson — 1 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 14 Apr 2017.
- Ryan Dow — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Ryan Fredericks — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Ryan Gondoh — 1 confirmed meetings against Mark O'Brien. 17 Nov 2018 – 17 Nov 2018.
- Ryan Hall — 1 confirmed meetings against Mark O'Brien. 8 Dec 2012 – 8 Dec 2012.
- Ryan Haynes — 1 confirmed meetings against Mark O'Brien. 30 Mar 2018 – 30 Mar 2018.
- Ryan Jack — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Ryan McGivern — 1 confirmed meetings against Mark O'Brien. 10 Dec 2011 – 10 Dec 2011.
- Ryan Schofield — 1 confirmed meetings against Mark O'Brien. 19 Feb 2019 – 19 Feb 2019.
- Ryan Shotton — 1 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 26 Jan 2019.
- Ryan Stevenson — 1 confirmed meetings against Mark O'Brien. 27 Dec 2014 – 27 Dec 2014.
- Ryan Tunnicliffe — 1 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 5 Nov 2011.
- Séamus Conneely — 1 confirmed meetings against Mark O'Brien. 24 Apr 2018 – 24 Apr 2018.
- Sean Raggett — 1 confirmed meetings against Mark O'Brien. 23 Dec 2017 – 23 Dec 2017.
- Sam Stubbs — 1 confirmed meetings against Mark O'Brien. 19 Feb 2019 – 19 Feb 2019.
- Saido Berahino — 1 confirmed meetings against Mark O'Brien. 27 Oct 2012 – 27 Oct 2012.
- Sam Sargeant — 1 confirmed meetings against Mark O'Brien. 25 Jan 2020 – 25 Jan 2020.
- Samuel Byram — 1 confirmed meetings against Mark O'Brien. 8 Dec 2012 – 8 Dec 2012.
- Samuel Dalby — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Samuel Habergham — 1 confirmed meetings against Mark O'Brien. 23 Dec 2017 – 23 Dec 2017.
- Samuel Hughes — 1 confirmed meetings against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Samuel Muggleton — 1 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 14 Nov 2015.
- Samuel Surridge — 1 confirmed meetings against Mark O'Brien. 8 Sept 2018 – 8 Sept 2018.
- Samuel Vokes — 1 confirmed meetings against Mark O'Brien. 26 Dec 2012 – 26 Dec 2012.
- Sandro Semed — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Scott Arfield — 1 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 2 Feb 2013.
- Scott Bain — 1 confirmed meetings against Mark O'Brien. 10 Jan 2015 – 10 Jan 2015.
- Scott Brown — 1 confirmed meetings against Mark O'Brien. 30 Aug 2014 – 30 Aug 2014.
- Scott Dann — 1 confirmed meetings against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Scott Harrison — 1 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Scott Loach — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Scott Vernon — 1 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 14 Feb 2017.
- Scott Wilson — 1 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 22 Apr 2019.
- Scott Wootton — 1 confirmed meetings against Mark O'Brien. 17 Aug 2019 – 17 Aug 2019.
- Seán Kavanagh — 1 confirmed meetings against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Sean Kelly — 1 confirmed meetings against Mark O'Brien. 16 May 2015 – 16 May 2015.
- Sean Murray — 1 confirmed meetings against Mark O'Brien. 3 Feb 2018 – 3 Feb 2018.
- Sean Scannell — 1 confirmed meetings against Mark O'Brien. 2 Feb 2013 – 2 Feb 2013.
- Sèrge Aurier — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Shaleum Logan — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Shane Cansdell-Sherriff — 1 confirmed meetings against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Shane Ferguson — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Shaquile Coulthirst — 1 confirmed meetings against Mark O'Brien. 21 Nov 2017 – 21 Nov 2017.
- Shaun Batt — 1 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 14 Nov 2015.
- Shaun Brisley — 1 confirmed meetings against Mark O'Brien. 27 Oct 2012 – 27 Oct 2012.
- Shaun Cummings — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Shaun Jeffers — 1 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 22 Aug 2015.
- Shay Given — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Shayon Harrison — 1 confirmed meetings against Mark O'Brien. 14 Apr 2017 – 14 Apr 2017.
- Shinji Okazaki — 1 confirmed meetings against Mark O'Brien. 6 Jan 2019 – 6 Jan 2019.
- Shola Ameobi — 1 confirmed meetings against Mark O'Brien. 6 May 2017 – 6 May 2017.
- Simeon Akinola — 1 confirmed meetings against Mark O'Brien. 21 Jan 2017 – 21 Jan 2017.
- Simon Church — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Simon Cox — 1 confirmed meetings against Mark O'Brien. 19 Jan 2013 – 19 Jan 2013.
- Siriki Dembélé — 1 confirmed meetings against Mark O'Brien. 23 Sept 2017 – 23 Sept 2017.
- Son Heung-Min — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Souleymane Bamba — 1 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 1 Oct 2011.
- Stefan Johansen — 1 confirmed meetings against Mark O'Brien. 21 Jan 2015 – 21 Jan 2015.
- Stefan Scougall — 1 confirmed meetings against Mark O'Brien. 2 Mar 2019 – 2 Mar 2019.
- Stephane Ngamvoulou — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Stephen Arthurworrey — 1 confirmed meetings against Mark O'Brien. 22 Aug 2015 – 22 Aug 2015.
- Stephen Carr — 1 confirmed meetings against Mark O'Brien. 6 Aug 2011 – 6 Aug 2011.
- Stephen Crainey — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Stephen Foster — 1 confirmed meetings against Mark O'Brien. 27 Sept 2011 – 27 Sept 2011.
- Stephen Henderson — 1 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 29 Oct 2011.
- Stephen Ireland — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Steve Davies — 1 confirmed meetings against Mark O'Brien. 15 Dec 2012 – 15 Dec 2012.
- Steve De Ridder — 1 confirmed meetings against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Steve Howard — 1 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 1 Oct 2011.
- Steve Sidwell — 1 confirmed meetings against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Steven Alzate — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Steven Saunders — 1 confirmed meetings against Mark O'Brien. 13 Dec 2014 – 13 Dec 2014.
- Steven Seddon — 1 confirmed meetings against Mark O'Brien. 1 Jan 2019 – 1 Jan 2019.
- Steven-Andreas Benda — 1 confirmed meetings against Mark O'Brien. 18 Jan 2020 – 18 Jan 2020.
- Stewart Downing — 1 confirmed meetings against Mark O'Brien. 26 Jan 2019 – 26 Jan 2019.
- Stuart Armstrong — 1 confirmed meetings against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Stuart Dallas — 1 confirmed meetings against Mark O'Brien. 22 Aug 2017 – 22 Aug 2017.
- Stuart Moore — 1 confirmed meetings against Mark O'Brien. 23 Feb 2019 – 23 Feb 2019.
- Stuart Parnaby — 1 confirmed meetings against Mark O'Brien. 1 Jan 2013 – 1 Jan 2013.
- Stuart Sinclair — 1 confirmed meetings against Mark O'Brien. 20 Aug 2019 – 20 Aug 2019.
- Taylor Allen — 1 confirmed meetings against Mark O'Brien. 31 Aug 2019 – 31 Aug 2019.
- Thomas Anderson — 1 confirmed meetings against Mark O'Brien. 10 Nov 2017 – 10 Nov 2017.
- Thomas Bradshaw — 1 confirmed meetings against Mark O'Brien. 4 Jan 2020 – 4 Jan 2020.
- Thomas Ince — 1 confirmed meetings against Mark O'Brien. 17 Aug 2011 – 17 Aug 2011.
- Thomas James — 1 confirmed meetings against Mark O'Brien. 30 Mar 2019 – 30 Mar 2019.
- Tahvon Campbell — 1 confirmed meetings against Mark O'Brien. 26 Dec 2018 – 26 Dec 2018.
- Taiwo Ojo — 1 confirmed meetings against Mark O'Brien. 30 Mar 2019 – 30 Mar 2019.
- Tal Ben Haim — 1 confirmed meetings against Mark O'Brien. 29 Oct 2011 – 29 Oct 2011.
- Tariqe Fosu — 1 confirmed meetings against Mark O'Brien. 14 Jan 2017 – 14 Jan 2017.
- Tarmo Kink — 1 confirmed meetings against Mark O'Brien. 22 Oct 2011 – 22 Oct 2011.
- Tarryn Allarakhia — 1 confirmed meetings against Mark O'Brien. 22 Oct 2019 – 22 Oct 2019.
- Teddy Mézague — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Temitope Obadeyi — 1 confirmed meetings against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Terence Vancooten — 1 confirmed meetings against Mark O'Brien. 14 Dec 2019 – 14 Dec 2019.
- Theo Robinson — 1 confirmed meetings against Mark O'Brien. 9 Apr 2019 – 9 Apr 2019.
- Theo Vassell — 1 confirmed meetings against Mark O'Brien. 17 Sept 2019 – 17 Sept 2019.
- Theodore Archibald — 1 confirmed meetings against Mark O'Brien. 17 Sept 2019 – 17 Sept 2019.
- Thomas Aldred — 1 confirmed meetings against Mark O'Brien. 18 Mar 2017 – 18 Mar 2017.
- Thomas Bayliss — 1 confirmed meetings against Mark O'Brien. 30 Mar 2018 – 30 Mar 2018.
- Thomas Broadbent — 1 confirmed meetings against Mark O'Brien. 18 Jan 2020 – 18 Jan 2020.
- Thomas Cairney — 1 confirmed meetings against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Thomas Champion — 1 confirmed meetings against Mark O'Brien. 14 Nov 2015 – 14 Nov 2015.
- Thomas Dallison-Lisbon — 1 confirmed meetings against Mark O'Brien. 22 Oct 2019 – 22 Oct 2019.
- Thomas Heaton — 1 confirmed meetings against Mark O'Brien. 15 Dec 2012 – 15 Dec 2012.
- Thomas Konrad — 1 confirmed meetings against Mark O'Brien. 18 Oct 2014 – 18 Oct 2014.
- Thomas Robson-Kanu — 1 confirmed meetings against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Tin Plavotić — 1 confirmed meetings against Mark O'Brien. 4 Feb 2017 – 4 Feb 2017.
- Toby Alderweireld — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Tom Bolarinwa — 1 confirmed meetings against Mark O'Brien. 14 Feb 2017 – 14 Feb 2017.
- Tom Brewitt — 1 confirmed meetings against Mark O'Brien. 21 Dec 2019 – 21 Dec 2019.
- Tom Kennedy — 1 confirmed meetings against Mark O'Brien. 5 Nov 2011 – 5 Nov 2011.
- Tomasz Kuszczak — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Tommy Lee — 1 confirmed meetings against Mark O'Brien. 26 Aug 2017 – 26 Aug 2017.
- Tommy Spurr — 1 confirmed meetings against Mark O'Brien. 20 Aug 2011 – 20 Aug 2011.
- Troy Deeney — 1 confirmed meetings against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Tyler French — 1 confirmed meetings against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Tyler Reid — 1 confirmed meetings against Mark O'Brien. 28 Sept 2019 – 28 Sept 2019.
- Tyler Roberts — 1 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 4 Nov 2017.
- Tyrique Hyde — 1 confirmed meetings against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Tyrone Marsh — 1 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 22 Apr 2019.
- Victor Adeboyejo — 1 confirmed meetings against Mark O'Brien. 4 Mar 2017 – 4 Mar 2017.
- Victor Wanyama — 1 confirmed meetings against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- William Norris — 1 confirmed meetings against Mark O'Brien. 18 Feb 2017 – 18 Feb 2017.
- Wayne Bridge — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Wesley Burns — 1 confirmed meetings against Mark O'Brien. 11 Aug 2015 – 11 Aug 2015.
- Wilfried Zaha — 1 confirmed meetings against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Will Buckley — 1 confirmed meetings against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- William Jääskeläinen — 1 confirmed meetings against Mark O'Brien. 24 Aug 2019 – 24 Aug 2019.
- William Randall-Hurren — 1 confirmed meetings against Mark O'Brien. 14 Oct 2017 – 14 Oct 2017.
- Willie Dyer — 1 confirmed meetings against Mark O'Brien. 10 Jan 2015 – 10 Jan 2015.
- Willo Flood — 1 confirmed meetings against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Yann Songo'o — 1 confirmed meetings against Mark O'Brien. 19 Oct 2019 – 19 Oct 2019.
- Yuki Abe — 1 confirmed meetings against Mark O'Brien. 1 Oct 2011 – 1 Oct 2011.
- Ezekiel Fryers — 1 confirmed meetings against Mark O'Brien. 28 Sept 2019 – 28 Sept 2019.
- Zak Jules — 1 confirmed meetings against Mark O'Brien. 22 Apr 2019 – 22 Apr 2019.
- Zeli Ismail — 1 confirmed meetings against Mark O'Brien. 4 Nov 2017 – 4 Nov 2017.
Which teams has Mark O'Brien faced?
Each completed match counts once when the selected player has a confirmed appearance, including substitutes and identified goal or assist evidence. An unused bench place or a card alone does not count.
- Cambridge United — 6 confirmed appearances against Mark O'Brien. 18 Feb 2017 – 13 Apr 2019.
- Carlisle — 6 confirmed appearances against Mark O'Brien. 24 Nov 2015 – 5 Oct 2019.
- Mansfield Town — 6 confirmed appearances against Mark O'Brien. 19 Sept 2015 – 12 May 2019.
- Morecambe — 6 confirmed appearances against Mark O'Brien. 21 Feb 2017 – 21 Dec 2019.
- Colchester — 5 confirmed appearances against Mark O'Brien. 14 Jan 2017 – 26 Oct 2019.
- Crewe — 5 confirmed appearances against Mark O'Brien. 11 Mar 2017 – 24 Aug 2019.
- Port Vale — 5 confirmed appearances against Mark O'Brien. 10 Nov 2017 – 7 Sept 2019.
- Stevenage — 5 confirmed appearances against Mark O'Brien. 21 Nov 2015 – 14 Dec 2019.
- Crawley Town — 4 confirmed appearances against Mark O'Brien. 1 Apr 2017 – 22 Oct 2019.
- Exeter City — 4 confirmed appearances against Mark O'Brien. 8 Apr 2017 – 21 Sept 2019.
- Forest Green — 4 confirmed appearances against Mark O'Brien. 14 Oct 2017 – 31 Aug 2019.
- Grimsby — 4 confirmed appearances against Mark O'Brien. 14 Feb 2017 – 20 Nov 2019.
- Leeds — 4 confirmed appearances against Mark O'Brien. 26 Dec 2011 – 7 Jan 2018.
- Middlesbrough — 4 confirmed appearances against Mark O'Brien. 22 Oct 2011 – 5 Feb 2019.
- Swindon Town — 4 confirmed appearances against Mark O'Brien. 8 Dec 2018 – 18 Jan 2020.
- Tranmere — 4 confirmed appearances against Mark O'Brien. 5 Jan 2013 – 25 May 2019.
- Yeovil Town — 4 confirmed appearances against Mark O'Brien. 22 Aug 2015 – 30 Mar 2019.
- Accrington ST — 3 confirmed appearances against Mark O'Brien. 22 Apr 2017 – 24 Apr 2018.
- Barnet — 3 confirmed appearances against Mark O'Brien. 14 Nov 2015 – 21 Nov 2017.
- Bristol City — 3 confirmed appearances against Mark O'Brien. 10 Dec 2011 – 11 Aug 2015.
- Cheltenham — 3 confirmed appearances against Mark O'Brien. 4 Feb 2017 – 15 Mar 2019.
- Coventry — 3 confirmed appearances against Mark O'Brien. 10 Sept 2011 – 30 Mar 2018.
- Lincoln — 3 confirmed appearances against Mark O'Brien. 23 Dec 2017 – 27 Apr 2019.
- Luton — 3 confirmed appearances against Mark O'Brien. 21 Mar 2017 – 17 Mar 2018.
- Northampton — 3 confirmed appearances against Mark O'Brien. 27 Nov 2018 – 14 Sept 2019.
- Notts County — 3 confirmed appearances against Mark O'Brien. 6 May 2017 – 19 Feb 2019.
- Oldham — 3 confirmed appearances against Mark O'Brien. 8 Sept 2018 – 23 Nov 2019.
- Partick — 3 confirmed appearances against Mark O'Brien. 4 Oct 2014 – 23 May 2015.
- Ross County — 3 confirmed appearances against Mark O'Brien. 13 Sept 2014 – 2 May 2015.
- ST Johnstone — 3 confirmed appearances against Mark O'Brien. 30 Aug 2014 – 31 Jan 2015.
- Birmingham — 2 confirmed appearances against Mark O'Brien. 6 Aug 2011 – 24 Nov 2012.
- Blackpool — 2 confirmed appearances against Mark O'Brien. 17 Aug 2011 – 18 Mar 2017.
- Burnley — 2 confirmed appearances against Mark O'Brien. 27 Aug 2011 – 26 Dec 2012.
- Bury — 2 confirmed appearances against Mark O'Brien. 23 Oct 2018 – 19 Apr 2019.
- Celtic — 2 confirmed appearances against Mark O'Brien. 21 Sept 2014 – 21 Jan 2015.
- Doncaster — 2 confirmed appearances against Mark O'Brien. 20 Aug 2011 – 10 Feb 2017.
- Dundee — 2 confirmed appearances against Mark O'Brien. 18 Oct 2014 – 10 Jan 2015.
- Leicester — 2 confirmed appearances against Mark O'Brien. 1 Oct 2011 – 6 Jan 2019.
- Leyton Orient — 2 confirmed appearances against Mark O'Brien. 4 Mar 2017 – 25 Jan 2020.
- Macclesfield — 2 confirmed appearances against Mark O'Brien. 22 Apr 2019 – 17 Sept 2019.
- Millwall — 2 confirmed appearances against Mark O'Brien. 24 Sept 2011 – 4 Jan 2020.
- Nottingham Forest — 2 confirmed appearances against Mark O'Brien. 17 Sept 2011 – 19 Jan 2013.
- Peterborough — 2 confirmed appearances against Mark O'Brien. 5 Nov 2011 – 27 Oct 2012.
- Portsmouth — 2 confirmed appearances against Mark O'Brien. 29 Oct 2011 – 29 Aug 2015.
- Scunthorpe — 2 confirmed appearances against Mark O'Brien. 19 Oct 2019 – 11 Jan 2020.
- ST Mirren — 2 confirmed appearances against Mark O'Brien. 20 Dec 2014 – 16 May 2015.
- Walsall — 2 confirmed appearances against Mark O'Brien. 4 Nov 2017 – 20 Aug 2019.
- West Ham — 2 confirmed appearances against Mark O'Brien. 26 Nov 2011 – 27 Aug 2019.
- Aberdeen — 1 confirmed appearances against Mark O'Brien. 4 Jan 2015 – 4 Jan 2015.
- Barnsley — 1 confirmed appearances against Mark O'Brien. 27 Sept 2011 – 27 Sept 2011.
- Blackburn — 1 confirmed appearances against Mark O'Brien. 26 Jan 2013 – 26 Jan 2013.
- Bradford — 1 confirmed appearances against Mark O'Brien. 7 Dec 2019 – 7 Dec 2019.
- Brighton — 1 confirmed appearances against Mark O'Brien. 12 Jan 2013 – 12 Jan 2013.
- Chesterfield — 1 confirmed appearances against Mark O'Brien. 26 Aug 2017 – 26 Aug 2017.
- Crystal Palace — 1 confirmed appearances against Mark O'Brien. 2 Dec 2011 – 2 Dec 2011.
- Dundee Utd — 1 confirmed appearances against Mark O'Brien. 7 Nov 2014 – 7 Nov 2014.
- Gillingham — 1 confirmed appearances against Mark O'Brien. 13 Aug 2019 – 13 Aug 2019.
- Hartlepool — 1 confirmed appearances against Mark O'Brien. 28 Jan 2017 – 28 Jan 2017.
- Huddersfield — 1 confirmed appearances against Mark O'Brien. 2 Feb 2013 – 2 Feb 2013.
- Hull City — 1 confirmed appearances against Mark O'Brien. 19 Nov 2011 – 19 Nov 2011.
- Inverness CT — 1 confirmed appearances against Mark O'Brien. 22 Nov 2014 – 22 Nov 2014.
- Kilmarnock — 1 confirmed appearances against Mark O'Brien. 8 May 2015 – 8 May 2015.
- Maldon & Tiptree — 1 confirmed appearances against Mark O'Brien. 29 Nov 2019 – 29 Nov 2019.
- Manchester City — 1 confirmed appearances against Mark O'Brien. 16 Feb 2019 – 16 Feb 2019.
- Metropolitan Police — 1 confirmed appearances against Mark O'Brien. 10 Nov 2018 – 10 Nov 2018.
- Milton Keynes Dons — 1 confirmed appearances against Mark O'Brien. 23 Feb 2019 – 23 Feb 2019.
- Plymouth — 1 confirmed appearances against Mark O'Brien. 17 Aug 2019 – 17 Aug 2019.
- Reading — 1 confirmed appearances against Mark O'Brien. 18 Oct 2011 – 18 Oct 2011.
- Salford City — 1 confirmed appearances against Mark O'Brien. 2 Nov 2019 – 2 Nov 2019.
- Sheffield Wednesday — 1 confirmed appearances against Mark O'Brien. 9 Feb 2013 – 9 Feb 2013.
- Shrewsbury — 1 confirmed appearances against Mark O'Brien. 9 Aug 2011 – 9 Aug 2011.
- Southampton — 1 confirmed appearances against Mark O'Brien. 15 Oct 2011 – 15 Oct 2011.
- Stoke City — 1 confirmed appearances against Mark O'Brien. 25 Aug 2015 – 25 Aug 2015.
- Tottenham — 1 confirmed appearances against Mark O'Brien. 7 Feb 2018 – 7 Feb 2018.
- Watford — 1 confirmed appearances against Mark O'Brien. 13 Aug 2011 – 13 Aug 2011.
- Wrexham — 1 confirmed appearances against Mark O'Brien. 1 Dec 2018 – 1 Dec 2018.
Based on FootSam’s recorded match data for clubs and national teams across all competitions. Player connections require confirmed appearances by both players, including substitutes. Opposing teams count all confirmed appearances, including substitutes and identified goal or assist evidence. Unused substitutes do not count. Historical coverage may be incomplete; figures describe confirmed appearances as defined above.
About this page and its data
Football connections
Explore who played together, which players and teams faced each other, and which players a coach managed. Search for a player, coach or club and filter relationships by name, team or country.
All confirmed appearances count, including substitutes and identified goal, assist or substitution evidence. An unused bench place or a card alone is insufficient. Each match counts once per relationship. An empty result does not prove that two people never met.
FootSam combines stored provider data and reviewed historical imports. Availability varies by competition, season and statistic. Records are linked to reviewed identities; missing information is kept distinct from recorded zero values.





















































