| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Baldomero Toledo | 22 | 9 | 2 | - | 2 |
| Allen Chapman | 10 | 5 | - | - | 2 |
| Kevin Stott | 23 | 5 | - | - | 4.6 |
| Jair Marrufo | 14 | 4 | - | - | 3.5 |
| Ricardo Salazar | 14 | 4 | - | - | 3.5 |
| Jorge Gonzalez | 6 | 3 | - | - | 2 |
| Sorin Stoica | 7 | 3 | - | 1 | 1.75 |
| Robert Sibiga | 7 | 3 | - | - | 2.33 |
| Mark Geiger | 9 | 3 | - | - | 3 |
| Chris Penso | 10 | 3 | - | - | 3.33 |
| Ismail Elfath | 10 | 3 | - | - | 3.33 |
| Juan Guzman | 12 | 3 | - | - | 4 |
| Drew Fischer | 14 | 3 | 1 | - | 3.5 |
| Edvin Jurisevic | 4 | 2 | - | - | 2 |
| Ted Unkel | 5 | 2 | - | - | 2.5 |
| Fotis Bazakos | 5 | 2 | - | - | 2.5 |
| David Gantar | 11 | 2 | - | - | 5.5 |
| Armando Villarreal | 11 | 2 | - | - | 5.5 |
| Hilario Grajeda | 12 | 2 | 1 | - | 4 |
| Silviu Petrescu | 14 | 2 | - | - | 7 |
| Ravshan Irmatov | 1 | 1 | - | - | 1 |
| Francisco Chacon | 1 | 1 | - | - | 1 |
| Ricardo Montero | 1 | 1 | - | - | 1 |
| Tim Ford | 1 | 1 | - | - | 1 |
| Victor Rivas | 1 | 1 | - | - | 1 |
| Yader Reyes | 2 | 1 | - | - | 2 |
| Alex Prus | 2 | 1 | - | - | 2 |
| Elias Bazakos | 2 | 1 | - | - | 2 |
| Marcos de Oliveira | 3 | 1 | - | - | 3 |
| Abiodun Okulaja | 3 | 1 | - | - | 3 |
| Terry Vaughn | 4 | 1 | - | - | 4 |
| Nima Saghafi | 4 | 1 | - | - | 4 |
| Jose Carlos Rivero | 6 | 1 | - | - | 6 |
P = Matches played,
C = Cards .