| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Juan Guzman | 7 | 3 | - | - | 2.33 |
| David Gantar | 7 | 3 | - | - | 2.33 |
| Mark Geiger | 18 | 2 | - | - | 9 |
| Nima Saghafi | 2 | 1 | - | - | 2 |
| Marcos de Oliveira | 2 | 1 | - | - | 2 |
| Geoff Gamble | 4 | 1 | 1 | - | 2 |
| Allen Chapman | 6 | 1 | - | - | 6 |
| Michael Kennedy | 6 | 1 | - | 1 | 3 |
| Sorin Stoica | 7 | 1 | - | - | 7 |
| Armando Villarreal | 7 | 1 | - | - | 7 |
| Fotis Bazakos | 8 | 1 | - | - | 8 |
| Jorge Gonzalez | 8 | 1 | - | - | 8 |
| Ricardo Salazar | 12 | 1 | - | - | 12 |
| Hilario Grajeda | 12 | 1 | - | - | 12 |
| Jose Carlos Rivero | 15 | 1 | - | - | 15 |
P = Matches played,
C = Cards .