| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Ricardo Salazar | 17 | 4 | - | - | 4.25 |
| Michael Kennedy | 5 | 3 | - | - | 1.67 |
| Juan Guzman | 6 | 2 | - | - | 3 |
| Jorge Gonzalez | 9 | 2 | - | - | 4.5 |
| Hilario Grajeda | 15 | 2 | - | - | 7.5 |
| Abiodun Okulaja | 4 | 1 | - | - | 4 |
| Ted Unkel | 4 | 1 | - | - | 4 |
| Edvin Jurisevic | 5 | 1 | - | - | 5 |
| Chris Penso | 9 | 1 | - | - | 9 |
| Mark Geiger | 9 | 1 | - | - | 9 |
| Alan Kelly | 9 | 1 | - | - | 9 |
| Armando Villarreal | 11 | 1 | - | - | 11 |
| Ismail Elfath | 11 | 1 | - | - | 11 |
| Jair Marrufo | 16 | 1 | - | - | 16 |
P = Matches played,
C = Cards .