| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Sorin Stoica | 3 | 2 | - | - | 1.5 |
| Pedro Proenca | 1 | 1 | - | - | 1 |
| Mark Clattenburg | 1 | 1 | - | - | 1 |
| Mark Geiger | 1 | 1 | - | - | 1 |
| Jorge Gonzalez | 2 | 1 | - | - | 2 |
| Jonas Eriksson | 3 | 1 | - | - | 3 |
| Fotis Bazakos | 3 | 1 | - | - | 3 |
| Jair Marrufo | 3 | 1 | - | - | 3 |
| Allen Chapman | 4 | 1 | - | - | 4 |
| Chris Penso | 4 | 1 | - | - | 4 |
P = Matches played,
C = Cards .