| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Jair Marrufo | 8 | 3 | - | - | 2.67 |
| Drew Fischer | 3 | 2 | - | - | 1.5 |
| Chris Penso | 6 | 2 | - | - | 3 |
| Ricardo Salazar | 9 | 2 | - | - | 4.5 |
| Anasthasios Sidiropoulos | 1 | 1 | - | - | 1 |
| Nicolai Vollquartz | 2 | 1 | - | - | 2 |
| Armando Villarreal | 3 | 1 | - | - | 3 |
| Jorge Gonzalez | 7 | 1 | - | - | 7 |
P = Matches played,
C = Cards .