| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Allen Chapman | 15 | 3 | - | - | 5 |
| Lukasz Szpala | 1 | 1 | - | 1 | 0.5 |
| Ramy Touchan | 2 | 1 | - | - | 2 |
| Ricardo Salazar | 3 | 1 | - | - | 3 |
| Hilario Grajeda | 4 | 1 | - | - | 4 |
| Jose Carlos Rivero | 5 | 1 | - | - | 5 |
| Jorge Gonzalez | 6 | 1 | - | - | 6 |
| Mark Geiger | 9 | 1 | - | - | 9 |
| Robert Sibiga | 9 | 1 | - | - | 9 |
| Chris Penso | 9 | 1 | - | - | 9 |
| Fotis Bazakos | 12 | 1 | - | - | 12 |
| Jair Marrufo | 15 | 1 | - | - | 15 |
P = Matches played,
C = Cards .