| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Fotis Bazakos | 6 | 3 | - | - | 2 |
| Hilario Grajeda | 8 | 3 | - | - | 2.67 |
| Chris Penso | 11 | 3 | - | - | 3.67 |
| Edvin Jurisevic | 4 | 2 | - | - | 2 |
| Mark Geiger | 7 | 2 | - | - | 3.5 |
| Jorge Gonzalez | 8 | 2 | - | - | 4 |
| Ramon Hernandez | 1 | 1 | - | - | 1 |
| Daniel Fitzgerald | 1 | 1 | - | - | 1 |
| Terry Vaughn | 2 | 1 | - | - | 2 |
| Marcos de Oliveira | 2 | 1 | - | - | 2 |
| Drew Fischer | 3 | 1 | - | - | 3 |
| Jasen Anno | 3 | 1 | - | 1 | 1.5 |
| Juan Guzman | 7 | 1 | - | - | 7 |
| Baldomero Toledo | 7 | 1 | - | - | 7 |
| Ismail Elfath | 2 | 0 | 1 | - | 2 |
| Ricardo Salazar | 10 | 0 | 1 | - | 10 |
P = Matches played,
C = Cards .