| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Mark Geiger | 9 | 3 | - | - | 3 |
| Jorge Gonzalez | 11 | 3 | - | - | 3.67 |
| Allen Chapman | 12 | 3 | - | - | 4 |
| Ismail Elfath | 13 | 3 | - | - | 4.33 |
| Kevin Stott | 15 | 3 | - | - | 5 |
| Mark Kadlecik | 3 | 2 | - | - | 1.5 |
| Juan Guzman | 7 | 2 | - | 1 | 2.33 |
| Alan Kelly | 9 | 2 | - | - | 4.5 |
| Jose Carlos Rivero | 10 | 2 | - | - | 5 |
| Armando Villarreal | 12 | 2 | - | - | 6 |
| Hilario Grajeda | 12 | 2 | - | - | 6 |
| Baldomero Toledo | 15 | 2 | - | - | 7.5 |
| Niko Bratsis | 1 | 1 | - | - | 1 |
| Geoff Gamble | 1 | 1 | - | - | 1 |
| Marcos Brea | 1 | 1 | - | - | 1 |
| Courtney Campbell | 1 | 1 | - | - | 1 |
| Jeffrey Solis | 1 | 1 | - | - | 1 |
| Elias Bazakos | 2 | 1 | - | - | 2 |
| Matthew Foerster | 2 | 1 | - | - | 2 |
| Jasen Anno | 2 | 1 | - | 1 | 1 |
| Walter Lopez | 2 | 1 | - | - | 2 |
| Edvin Jurisevic | 4 | 1 | - | - | 4 |
| Nima Saghafi | 4 | 1 | - | - | 4 |
| Drew Fischer | 10 | 1 | - | - | 10 |
| Jair Marrufo | 15 | 1 | - | - | 15 |
| David Gantar | 6 | 0 | 1 | - | 6 |
P = Matches played,
C = Cards .