| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Sorin Stoica | 4 | 2 | - | - | 2 |
| Hilario Grajeda | 2 | 1 | - | - | 2 |
| Nima Saghafi | 2 | 1 | - | - | 2 |
| Edvin Jurisevic | 2 | 1 | - | - | 2 |
| Mark Geiger | 3 | 1 | - | - | 3 |
| Baldomero Toledo | 3 | 1 | - | - | 3 |
| Ismail Elfath | 3 | 1 | - | - | 3 |
| Ted Unkel | 4 | 1 | - | - | 4 |
| Robert Sibiga | 4 | 1 | - | - | 4 |
| Chris Penso | 6 | 1 | - | - | 6 |
| Jair Marrufo | 6 | 1 | - | - | 6 |
| Armando Villarreal | 8 | 1 | - | - | 8 |
P = Matches played,
C = Cards .