Strictest & most lenient referees

Cards per match (yellows + reds) over games with recorded discipline data · Copa Libertadores. Minimum 5 matches.

🟥 Strictest

1🇻🇪Alexis Herrera
🟨 4.80🟥 0.205 mt
5.00
2🇨🇱Piero Maza
🟨 3.33🟥 0.176 mt
3.50

🕊️ Most lenient

1🇨🇱Piero Maza
🟨 3.33🟥 0.176 mt
3.50
2🇻🇪Alexis Herrera
🟨 4.80🟥 0.205 mt
5.00

Strictness ranks on a weighted score (a red counts double a yellow). This reflects the cards shown in a referee’s matches, not a judgement of correctness.