| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Silviu Petrescu | 1 | 1 | - | - | 1 |
| Marcos de Oliveira | 1 | 1 | - | - | 1 |
| Ramy Touchan | 1 | 1 | - | - | 1 |
| Mohammed Al-Hakim | 1 | 1 | - | - | 1 |
| Tobias Stieler | 1 | 1 | - | - | 1 |
| Roberto Tobar | 1 | 1 | - | - | 1 |
| Victor Rivas | 1 | 1 | - | - | 1 |
| Nima Saghafi | 2 | 1 | - | - | 2 |
| Allen Chapman | 2 | 1 | - | - | 2 |
| Drew Fischer | 3 | 1 | - | - | 3 |
| Rubiel Vazquez | 4 | 1 | - | - | 4 |
P = Matches played,
C = Cards .