| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Ricardo Salazar | 5 | 3 | - | - | 1.67 |
| Michael Kennedy | 3 | 2 | - | - | 1.5 |
| Jorge Gonzalez | 5 | 2 | - | - | 2.5 |
| Edvin Jurisevic | 2 | 1 | - | - | 2 |
| Chris Penso | 2 | 1 | - | - | 2 |
| Jair Marrufo | 3 | 1 | - | - | 3 |
| Hilario Grajeda | 5 | 1 | - | - | 5 |
| Mark Geiger | 7 | 1 | - | - | 7 |
P = Matches played,
C = Cards .