| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Wolfgang Stark | 4 | 2 | - | - | 2 |
| Howard Webb | 10 | 2 | - | - | 5 |
| Martin Atkinson | 13 | 2 | - | - | 6.5 |
| Andre Marriner | 18 | 2 | - | - | 9 |
| Serge Gumienny | 1 | 1 | - | - | 1 |
| Davies Omweno | 1 | 1 | - | - | 1 |
| Mohamed Benouza | 1 | 1 | - | - | 1 |
| Ivan Bebek | 1 | 1 | - | - | 1 |
| Peter Gagelman | 2 | 1 | - | - | 2 |
| Knut Kircher | 2 | 1 | - | - | 2 |
| Christian Dingert | 3 | 1 | - | - | 3 |
| Deniz Aytekin | 4 | 1 | - | - | 4 |
| Marco Fritz | 4 | 1 | - | - | 4 |
| Tobias Welz | 4 | 1 | - | - | 4 |
| Felix Zwayer | 4 | 1 | - | - | 4 |
| Markus Wingenbach | 5 | 1 | - | - | 5 |
| Craig Pawson | 6 | 1 | - | - | 6 |
| Kevin Friend | 8 | 1 | - | - | 8 |
| Mike Dean | 10 | 1 | - | - | 10 |
| Olivier Thual | 1 | 0 | 1 | - | 1 |
P = Matches played,
C = Cards .