| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 4 | Ostersunds FK | 23-11-2017 | Group Stage | Match details |
| 4 | Athletic Bilbao | 28-09-2017 | Group Stage | Match details |
| 3 | Athletic Bilbao | 07-12-2017 | Group Stage | Match details |
| 2 | Hertha BSC | 02-11-2017 | Group Stage | Match details |
| 2 | Hertha BSC | 19-10-2017 | Group Stage | Match details |
| 1 | Ostersunds FK | 14-09-2017 | Group Stage | Match details |
