| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Baldomero Toledo | 10 | 3 | - | - | 3.33 |
| Ricardo Salazar | 10 | 2 | - | - | 5 |
| Geoff Gamble | 1 | 1 | - | - | 1 |
| Enrico Wijngaarde | 1 | 1 | - | - | 1 |
| Jasen Anno | 2 | 1 | - | - | 2 |
| Matthew Foerster | 4 | 1 | - | - | 4 |
| Paul Ward | 4 | 1 | - | - | 4 |
| Ismail Elfath | 4 | 1 | - | - | 4 |
| Michael Kennedy | 4 | 1 | - | - | 4 |
| Juan Guzman | 5 | 1 | - | - | 5 |
| Chris Penso | 6 | 1 | - | - | 6 |
| Kevin Stott | 6 | 1 | - | - | 6 |
| Hilario Grajeda | 8 | 1 | - | - | 8 |
P = Matches played,
C = Cards .