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S. Boiko has a referee profile on FootSam that collects registered matches and competitions. The match history shows which teams met in the matches where the referee has a documented assignment. The season sections make it possible to follow how the assignments are distributed over time. Card statistics and other referee figures are shown in relation to the matches included in the records.
You can open a match to see its results, events and possibly the referee team. The competition connections show in which leagues the referee appears in FootSam's data. The profile thus provides a path from a single referee effort to a larger match history.
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| Competition | |||||||
|---|---|---|---|---|---|---|---|
| Major League Soccer | 12 | 35* | 2* | 37* | 234 | 5* | |
| US Open Cup | 1 | — | — | — | — | — | |
| Major League Soccer | 22 | 86 | 6 | 92 | 413 | 4 | |
| Major League Soccer | 14 | 67 | 6 | 73 | 325 | 6 |
MP: completed matches · YC: yellow cards · RC: red cards. * Partial coverage. — No data. Per-match values use matches with known data. Open a season row for coverage details.
Yellow cards per game · scale 0–4.79 · dash = too little data
The difference is no larger than chance can explain.
| Season | Competition | Matches | With data | Yellow cards | Per game |
|---|---|---|---|---|---|
| 2023 | Major League Soccer | 14 | 14 | 67 | 4.79 |
| 2024 | Major League Soccer | 22 | 22 | 86 | 3.91 |
| 2026 | Major League Soccer | 12 | 11 | 35 | 3.18 |
| 2026 | US Open Cup | 1 | 0 | — | — |
Results and referee statistics · All competitions
Data coverage: cards in 47 of 49 matches, fouls in 48, penalties in 47. Averages use only known data.