| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Davide Massa | 12 | 5 | - | - | 2.4 |
| Paul Tierney | 14 | 5 | - | - | 2.8 |
| Craig Pawson | 14 | 5 | - | - | 2.8 |
| Michael Oliver | 16 | 5 | - | - | 3.2 |
| Orel Grinfeld | 2 | 2 | - | - | 1 |
| Daniel Siebert | 4 | 2 | - | - | 2 |
| Clement Turpin | 5 | 2 | - | - | 2.5 |
| Massimiliano Irrati | 6 | 2 | - | - | 3 |
| David Coote | 7 | 2 | - | - | 3.5 |
| Paolo Tagliavento | 7 | 2 | - | - | 3.5 |
| Stuart Attwell | 10 | 2 | - | - | 5 |
| Martin Atkinson | 11 | 2 | - | - | 5.5 |
| Chris Kavanagh | 12 | 2 | - | - | 6 |
| Mike Dean | 12 | 2 | - | - | 6 |
| Anthony Taylor | 19 | 2 | - | - | 9.5 |
| Viktor Kassai | 1 | 1 | - | - | 1 |
| Alain Durieux | 1 | 1 | - | - | 1 |
| Milorad Mazic | 1 | 1 | - | - | 1 |
| Jose Maria Sanchez Martinez | 1 | 1 | - | - | 1 |
| Petr Ardeleanu | 1 | 1 | - | - | 1 |
| Ismail Elfath | 1 | 1 | - | - | 1 |
| Gianluca Manganiello | 1 | 1 | - | - | 1 |
| Lee Mason | 1 | 1 | - | - | 1 |
| Pavel Kralovec | 1 | 1 | - | - | 1 |
| Eugenio Abbattista | 1 | 1 | - | - | 1 |
| Ivan Kruzliak | 2 | 1 | - | - | 2 |
| Darren England | 2 | 1 | - | - | 2 |
| Antonio Damato | 2 | 1 | - | - | 2 |
| Kevin Friend | 2 | 1 | - | - | 2 |
| Antonio Miguel Mateu Lahoz | 3 | 1 | - | - | 3 |
| Ovidiu Hategan | 3 | 1 | - | - | 3 |
| Cuneyt Cakir | 3 | 1 | - | - | 3 |
| Felix Zwayer | 3 | 1 | - | - | 3 |
| Graham Scott | 3 | 1 | - | - | 3 |
| Michael Fabbri | 3 | 1 | - | - | 3 |
| Danny Desmond Makkelie | 4 | 1 | - | - | 4 |
| Jarred Gillett | 4 | 1 | - | - | 4 |
| Srdjan Jovanovic | 4 | 1 | - | - | 4 |
| Peter Bankes | 5 | 1 | - | - | 5 |
| Marco Guida | 5 | 1 | - | - | 5 |
| Claudio Gavillucci | 5 | 1 | - | - | 5 |
| John Brooks | 6 | 1 | - | - | 6 |
| Andrea Gervasoni | 6 | 1 | - | - | 6 |
| Gianluca Rocchi | 7 | 1 | - | - | 7 |
| Carmine Russo | 7 | 1 | - | - | 7 |
| Simon Hooper | 7 | 1 | - | - | 7 |
| Felix Brych | 7 | 1 | - | - | 7 |
| Nicola Rizzoli | 8 | 1 | - | - | 8 |
| Daniele Doveri | 9 | 1 | - | 1 | 4.5 |
| Marco di Bello | 9 | 1 | - | - | 9 |
| Jonathan Moss | 11 | 1 | - | - | 11 |
P = Matches played,
C = Cards .