| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Anthony Taylor | 11 | 2 | - | - | 5.5 |
| Gianluca Rocchi | 14 | 2 | 1 | - | 4.67 |
| Martin Atkinson | 21 | 2 | - | - | 10.5 |
| Daniele Orsato | 24 | 2 | - | - | 12 |
| Andy Hall | 1 | 1 | - | - | 1 |
| Ivano Pezzuto | 1 | 1 | - | - | 1 |
| Keith Stroud | 2 | 1 | - | - | 2 |
| Pedro Proenca | 2 | 1 | - | - | 2 |
| Alberto Undiano Mallenco | 2 | 1 | - | - | 2 |
| Roger East | 2 | 1 | - | - | 2 |
| Alejandro Jose Hernandez Hernandez | 2 | 1 | - | - | 2 |
| Peter Walton | 4 | 1 | - | - | 4 |
| Felix Brych | 4 | 1 | - | - | 4 |
| Sergey Karasev | 4 | 1 | - | - | 4 |
| Michael Fabbri | 10 | 1 | - | - | 10 |
| Phil Dowd | 10 | 1 | - | - | 10 |
| Andre Marriner | 13 | 1 | - | - | 13 |
| Carlos Velasco Carballo | 3 | 0 | 1 | - | 3 |
| Nicola Rizzoli | 10 | 0 | 1 | - | 10 |
P = Matches played,
C = Cards .