| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Michael Oliver | 3 | 2 | - | - | 1.5 |
| Raphael Claus | 3 | 2 | - | - | 1.5 |
| Mark Geiger | 1 | 1 | - | - | 1 |
| Halil Umut Meler | 1 | 1 | - | - | 1 |
| Daniele Orsato | 1 | 1 | - | - | 1 |
| Gianluca Rocchi | 1 | 1 | - | - | 1 |
| Damir Skomina | 1 | 1 | - | - | 1 |
| Ali Palabiyik | 1 | 1 | - | - | 1 |
| Sandro Scharer | 1 | 1 | - | - | 1 |
| Artur Soares Dias | 2 | 1 | - | - | 2 |
| Roberto Tobar | 2 | 1 | - | - | 2 |
| Benoit Bastien | 2 | 1 | - | - | 2 |
| Jesus Valenzuela | 3 | 1 | - | - | 3 |
| Nestor Pitana | 3 | 1 | - | - | 3 |
P = Matches played,
C = Cards .