| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Jose Carlos Rivero | 10 | 3 | - | - | 3.33 |
| Ricardo Salazar | 6 | 2 | - | - | 3 |
| Edvin Jurisevic | 6 | 2 | - | - | 3 |
| Ionnis Stavrides | 1 | 1 | - | - | 1 |
| Juan Guzman | 3 | 1 | - | - | 3 |
| Ted Unkel | 3 | 1 | - | - | 3 |
| Hilario Grajeda | 5 | 1 | - | - | 5 |
| Jair Marrufo | 5 | 1 | - | - | 5 |
| Drew Fischer | 6 | 1 | - | - | 6 |
| Nima Saghafi | 6 | 1 | - | - | 6 |
| Mark Geiger | 7 | 1 | - | - | 7 |
| Armando Villarreal | 8 | 1 | 1 | - | 4 |
| Ismail Elfath | 8 | 1 | - | - | 8 |
| Allen Chapman | 9 | 1 | - | - | 9 |
| Chris Penso | 9 | 1 | - | - | 9 |
P = Matches played,
C = Cards .