| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Howard Webb | 13 | 3 | - | - | 4.33 |
| Massimo Busacca | 5 | 2 | - | - | 2.5 |
| Mike Dean | 13 | 2 | - | - | 6.5 |
| Nikolaj Hanni | 1 | 1 | - | - | 1 |
| Mike Riley | 2 | 1 | - | - | 2 |
| Lubos Michel | 3 | 1 | - | - | 3 |
| Steve Bennett | 3 | 1 | - | - | 3 |
| Claus Bo Larsen | 3 | 1 | - | - | 3 |
| Nicola Rizzoli | 4 | 1 | - | - | 4 |
| Lee Mason | 6 | 1 | - | - | 6 |
| Frank de Bleeckere | 6 | 1 | - | - | 6 |
| Mark Clattenburg | 11 | 1 | - | - | 11 |
| Terje Hauge | 2 | 0 | 1 | - | 2 |
P = Matches played,
C = Cards .