| Referee | MR | FH(AM) | SH(AM) |  |
 |
 |
/Match |
Cards/Match |
|---|---|---|---|---|---|---|---|---|
| David Pearson (Eng) | 4 | 1(31) | 2(70) | 3 | - | - | 0.75 | 0.75 |
| Steve Walsh | 5 | 1(38) | 2(60) | 3 | - | - | 0.6 | 0.6 |
| Nigel Owens | 5 | -(-) | 3(68) | 3 | - | 1 | 0.6 | 0.8 |
| Romain Poite | 4 | 1(39) | 1(65) | 2 | - | - | 0.5 | 0.5 |
| Craig Joubert | 7 | 1(7) | 1(76) | 2 | - | - | 0.29 | 0.29 |
| Jonathan Kaplan | 4 | 1(40) | -(-) | 1 | - | - | 0.25 | 0.25 |
| George Clancy | 4 | -(-) | 1(59) | 1 | - | - | 0.25 | 0.25 |
| Bryce Lawrence | 5 | 1(34) | -(-) | 1 | - | - | 0.2 | 0.2 |
| Wayne Barnes (Eng) | 5 | 1(34) | -(-) | 1 | - | - | 0.2 | 0.2 |
MR = Matches Refereed,
FH(AM) = Players sin binned in the first half with average minute,
SH(AM) = Players sin binned in the second half with average minute,