| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Baldomero Toledo | 23 | 2 | - | - | 11.5 |
| Courtney Campbell | 1 | 1 | - | - | 1 |
| Nima Saghafi | 5 | 1 | - | - | 5 |
| Chris Penso | 13 | 1 | - | - | 13 |
| Mark Geiger | 13 | 1 | - | - | 13 |
| Hilario Grajeda | 14 | 1 | - | - | 14 |
| Ismail Elfath | 15 | 1 | - | - | 15 |
| Jair Marrufo | 20 | 1 | - | - | 20 |
P = Matches played,
C = Cards .