| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 4 | Olympiakos | 13-12-2018 | Group Stage | Match details |
| 4 | Real Betis | 08-11-2018 | Group Stage | Match details |
| 2 | F91 Dudelange | 29-11-2018 | Group Stage | Match details |
| 2 | Real Betis | 25-10-2018 | Group Stage | Match details |
| 2 | F91 Dudelange | 20-09-2018 | Group Stage | Match details |
