Which leagues book most?
Yellow cards per match — a rough measure of how tightly a league is refereed.
Segunda División (Spain) books more than anyone — yellow cards per match: 5.32.
| League | Bookings per match | Matches |
|---|---|---|
| 1. Segunda División Spain | 5.32 | 128 |
| 2. Liga Profesional Argentina Argentina | 4.87 | 474 |
| 3. Premier League Russia | 4.8 | 102 |
| 4. Serie A Brazil | 4.68 | 324 |
| 5. La Liga Spain | 4.52 | 108 |
| 6. Liga I Romania | 4.48 | 108 |
| 7. Major League Soccer United States | 4.12 | 484 |
| 8. Super League China | 4.04 | 227 |
| 9. Championship England | 3.99 | 152 |
| 10. Liga MX Mexico | 3.94 | 127 |
| 11. Ekstraklasa Poland | 3.89 | 108 |
| 12. K League 1 South Korea | 3.72 | 201 |
| 13. Pro League Saudi Arabia | 3.7 | 101 |
| 14. Eliteserien Norway | 3.62 | 193 |
| 15. Allsvenskan Sweden | 3.32 | 212 |
| 16. J1 League Japan | 2.72 | 182 |
Showing the major competitions. Include every competition
Counted from match events, so a league appears only once its matches carry recorded cards.