| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Anthony Taylor | 11 | 3 | - | - | 3.67 |
| Daniele Orsato | 5 | 2 | - | - | 2.5 |
| Felix Brych | 10 | 2 | - | - | 5 |
| Elchin Masiyev | 1 | 1 | - | - | 1 |
| Facundo Tello | 1 | 1 | - | - | 1 |
| Craig Thomson | 1 | 1 | - | - | 1 |
| Fernando Rapallini | 2 | 1 | - | - | 2 |
| Nikola Dabanovic | 2 | 1 | - | - | 2 |
| Daniel Schlager | 2 | 1 | - | - | 2 |
| Francois Letexier | 2 | 1 | - | - | 2 |
| Davide Massa | 2 | 1 | - | - | 2 |
| Sascha Stegemann | 3 | 1 | - | - | 3 |
| Artur Soares Dias | 3 | 1 | - | - | 3 |
| Damir Skomina | 3 | 1 | - | - | 3 |
| Jesus Gil Manzano | 3 | 1 | - | - | 3 |
| Szymon Marciniak | 3 | 1 | - | - | 3 |
| Serdar Gozubuyuk | 3 | 1 | - | - | 3 |
| Patrick Ittrich | 3 | 1 | - | - | 3 |
| Slavko Vincic | 3 | 1 | - | - | 3 |
| Robert Schroder | 4 | 1 | - | - | 4 |
| John Brooks | 5 | 1 | - | - | 5 |
| Clement Turpin | 6 | 1 | - | - | 6 |
| Christian Dingert | 6 | 1 | - | - | 6 |
| Robert Jones | 6 | 1 | - | 1 | 3 |
| Paul Tierney | 6 | 1 | - | - | 6 |
| Bastian Dankert | 7 | 1 | - | - | 7 |
| Deniz Aytekin | 8 | 1 | - | - | 8 |
| Felix Zwayer | 9 | 1 | - | - | 9 |
| Manuel Grafe | 12 | 1 | - | - | 12 |
| Daniel Siebert | 15 | 1 | - | - | 15 |
P = Matches played,
C = Cards .