| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Jair Marrufo | 12 | 3 | - | - | 4 |
| Baldomero Toledo | 18 | 3 | - | - | 6 |
| Jose Carlos Rivero | 8 | 2 | - | - | 4 |
| Mark Geiger | 9 | 2 | - | 1 | 3 |
| Matthew Foerster | 1 | 1 | - | - | 1 |
| Geoff Gamble | 2 | 1 | - | - | 2 |
| Juan Guzman | 5 | 1 | - | - | 5 |
| Edvin Jurisevic | 6 | 1 | - | - | 6 |
| Jorge Gonzalez | 6 | 1 | - | - | 6 |
| Drew Fischer | 9 | 1 | - | - | 9 |
| Hilario Grajeda | 9 | 1 | - | - | 9 |
| Robert Sibiga | 9 | 1 | - | - | 9 |
| Armando Villarreal | 11 | 1 | - | - | 11 |
| Ismail Elfath | 12 | 1 | - | - | 12 |
| Chris Penso | 14 | 1 | - | - | 14 |
P = Matches played,
C = Cards .