| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 5 | Steaua Bucharest | 02-11-2017 | Group Stage | Match details |
| 3 | Viktoria Plzen | 07-12-2017 | Group Stage | Match details |
| 2 | FC Lugano | 23-11-2017 | Group Stage | Match details |
| 2 | Steaua Bucharest | 19-10-2017 | Group Stage | Match details |
| 2 | Viktoria Plzen | 28-09-2017 | Group Stage | Match details |
