| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Armando Villarreal | 3 | 2 | - | - | 1.5 |
| Abiodun Okulaja | 1 | 1 | - | - | 1 |
| Hilario Grajeda | 4 | 1 | - | 1 | 2 |
| Jair Marrufo | 4 | 1 | - | - | 4 |
| Geoff Gamble | 4 | 1 | - | - | 4 |
| Edvin Jurisevic | 4 | 1 | - | - | 4 |
| Allen Chapman | 4 | 1 | - | - | 4 |
| Elias Bazakos | 5 | 1 | - | - | 5 |
| Silviu Petrescu | 5 | 1 | - | - | 5 |
| Chris Penso | 6 | 1 | - | - | 6 |
| Sorin Stoica | 6 | 1 | - | - | 6 |
| Baldomero Toledo | 8 | 1 | - | - | 8 |
| Ricardo Salazar | 11 | 1 | 1 | - | 5.5 |
P = Matches played,
C = Cards .