| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Alan Kelly | 5 | 2 | - | - | 2.5 |
| Baldomero Toledo | 6 | 2 | - | - | 3 |
| Ricardo Salazar | 6 | 2 | - | - | 3 |
| Chris Penso | 8 | 2 | - | - | 4 |
| Allen Chapman | 9 | 2 | - | - | 4.5 |
| Silviu Petrescu | 1 | 1 | - | - | 1 |
| Alex Chilowicz | 1 | 1 | - | - | 1 |
| Marcos de Oliveira | 2 | 1 | - | - | 2 |
| Nima Saghafi | 3 | 1 | - | - | 3 |
| Drew Fischer | 4 | 1 | - | - | 4 |
| Fotis Bazakos | 4 | 1 | - | - | 4 |
| Hilario Grajeda | 6 | 1 | - | 1 | 3 |
| Jose Carlos Rivero | 7 | 1 | - | - | 7 |
| Ismail Elfath | 6 | 0 | 1 | - | 6 |
P = Matches played,
C = Cards .