| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Anthony Taylor | 12 | 2 | - | - | 6 |
| Artur Soares Dias | 1 | 1 | - | - | 1 |
| Nicola Rizzoli | 2 | 1 | - | - | 2 |
| Fabio Maresca | 2 | 1 | - | - | 2 |
| Marco di Bello | 2 | 1 | - | - | 2 |
| Tobias Welz | 3 | 1 | - | - | 3 |
| Christian Dingert | 3 | 1 | - | - | 3 |
| Tobias Stieler | 5 | 1 | - | - | 5 |
| Danny Desmond Makkelie | 7 | 1 | - | - | 7 |
| David Coote | 8 | 1 | - | - | 8 |
| Robert Hartmann | 8 | 1 | - | - | 8 |
| Michael Oliver | 10 | 1 | - | - | 10 |
| Daniel Siebert | 11 | 1 | - | - | 11 |
| Andre Marriner | 11 | 1 | - | - | 11 |
P = Matches played,
C = Cards .