| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Robert Sibiga | 5 | 3 | - | - | 1.67 |
| Ted Unkel | 1 | 1 | - | - | 1 |
| Jose Carlos Rivero | 1 | 1 | - | - | 1 |
| Ramy Touchan | 1 | 1 | - | - | 1 |
| Marcos de Oliveira | 1 | 1 | - | - | 1 |
| Mark Geiger | 1 | 1 | - | - | 1 |
| Victor Rivas | 1 | 1 | - | - | 1 |
| Alex Chilowicz | 1 | 1 | - | - | 1 |
| Rubiel Vazquez | 1 | 1 | - | - | 1 |
| Nima Saghafi | 1 | 1 | - | - | 1 |
| Hilario Grajeda | 2 | 1 | - | - | 2 |
| Baldomero Toledo | 2 | 1 | - | - | 2 |
| Tim Ford | 2 | 1 | - | - | 2 |
| Ismail Elfath | 3 | 1 | - | - | 3 |
| Alan Kelly | 4 | 1 | - | - | 4 |
| Allen Chapman | 4 | 1 | - | - | 4 |
| Kevin Stott | 6 | 1 | - | - | 6 |
P = Matches played,
C = Cards .