| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Marco Rodriguez | 2 | 2 | - | - | 1 |
| Martin Atkinson | 3 | 2 | - | - | 1.5 |
| Massimo Busacca | 1 | 1 | - | - | 1 |
| Svein Oddvar Moen | 1 | 1 | - | - | 1 |
| Artur Soares Dias | 1 | 1 | - | - | 1 |
| Francisco Chacon | 1 | 1 | - | - | 1 |
| Benito Archundia | 2 | 1 | - | - | 2 |
| Chris Penso | 3 | 1 | - | - | 3 |
| Roberto Moreno | 4 | 1 | - | - | 4 |
| Ismail Elfath | 6 | 1 | - | - | 6 |
P = Matches played,
C = Cards .