| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Jorge Gonzalez | 12 | 4 | - | - | 3 |
| Jair Marrufo | 12 | 3 | - | - | 4 |
| Ricardo Salazar | 12 | 3 | - | - | 4 |
| Paul Ward | 4 | 2 | - | - | 2 |
| Sorin Stoica | 5 | 2 | - | - | 2.5 |
| Chris Penso | 8 | 2 | - | - | 4 |
| Silviu Petrescu | 13 | 2 | - | - | 6.5 |
| Andrew Chapin | 1 | 1 | - | - | 1 |
| Ignacio Villanueva | 1 | 1 | - | - | 1 |
| Mauricio Navarro | 1 | 1 | - | - | 1 |
| Trevor Taylor | 1 | 1 | - | - | 1 |
| Michael Kennedy | 2 | 1 | - | - | 2 |
| Tim Weyland | 2 | 1 | - | - | 2 |
| Guido Gonzalez Jr | 2 | 1 | - | - | 2 |
| Joseph Dickerson | 2 | 1 | - | - | 2 |
| Marcos de Oliveira | 4 | 1 | - | - | 4 |
| Terry Vaughn | 8 | 1 | - | - | 8 |
| Juan Guzman | 9 | 1 | - | - | 9 |
| Mark Geiger | 10 | 1 | - | - | 10 |
| Hilario Grajeda | 10 | 1 | - | - | 10 |
| Armando Villarreal | 10 | 1 | 1 | - | 5 |
| Baldomero Toledo | 17 | 1 | - | - | 17 |
| Allen Chapman | 19 | 1 | - | - | 19 |
P = Matches played,
C = Cards .