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Keylor Herrera 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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Costa RicaReferee2019–2026Results and referee statistics · All competitions
Data coverage: cards in 31 of 169 matches, fouls in 30, penalties in 29. Averages use only known data.
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105 cards in 31 matches
The first yellow card is shown, on average, in minute 38 (median 36), based on the 31 matches where a yellow card was shown.
yellows reds· cards per 15-minute period · scale 0–36
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He has refereed 5 top clashes. The share is not tested — this requires at least 50 matches in seasons with complete tables. Below that, the share says more about chance than the referee.
| Match | Date | Cards | |
|---|---|---|---|
| San Carlos2–2Deportivo SaprissaPrimera División | 7 Dec 2024 | — | Open |
| LD Alajuelense1–1Deportivo SaprissaPrimera División | 2 Sept 2024 | — | Open |
| CS Cartagines1–1Deportivo SaprissaPrimera División | 16 Apr 2023 | — | Open |
| Deportivo Saprissa1–0CS CartaginesPrimera División | 14 Feb 2023 | — | Open |
| CS Cartagines1–2LD AlajuelensePrimera División | 29 Sept 2022 | — | Open |
3.39 cards per game — 10% below the average in the same leagues and seasons. More likely to issue cards than 19 % of the 1,557 referees we can compare with.
5 of 6 axes have enough coverage for a comparison
Scale 0–100 · league-adjusted percentile. Each metric shows the referee's average per game.
