| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Victor Rivas | 1 | 1 | - | - | 1 |
| Roddy Zambrano | 1 | 1 | - | - | 1 |
| Ricardo Montero | 1 | 1 | - | - | 1 |
| Ted Unkel | 1 | 1 | - | - | 1 |
| Alan Kelly | 1 | 1 | - | - | 1 |
| Said Martinez | 1 | 1 | - | - | 1 |
| Joseph Dickerson | 2 | 1 | - | - | 2 |
| Drew Fischer | 2 | 1 | - | - | 2 |
| Tim Ford | 2 | 1 | - | - | 2 |
| Mark Geiger | 4 | 1 | - | - | 4 |
| Joel Aguilar | 5 | 1 | - | - | 5 |
| David Gantar | 2 | 0 | 1 | - | 2 |
P = Matches played,
C = Cards .