| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Armando Villarreal | 15 | 3 | - | - | 5 |
| Silviu Petrescu | 5 | 2 | - | - | 2.5 |
| Rubiel Vazquez | 3 | 1 | - | - | 3 |
| Rosendo Mendoza | 3 | 1 | - | - | 3 |
| Nima Saghafi | 3 | 1 | - | - | 3 |
| Juan Guzman | 6 | 1 | - | - | 6 |
| Hilario Grajeda | 7 | 1 | - | - | 7 |
| Drew Fischer | 7 | 1 | - | - | 7 |
| Mark Geiger | 9 | 1 | - | - | 9 |
| Baldomero Toledo | 11 | 1 | - | 1 | 5.5 |
| Alan Kelly | 11 | 1 | - | - | 11 |
| Kevin Stott | 16 | 1 | - | - | 16 |
P = Matches played,
C = Cards .