| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 5 | Rangers | 08-11-2018 | Group Stage | Match details |
| 4 | Villarreal | 13-12-2018 | Group Stage | Match details |
| 3 | Villarreal | 04-10-2018 | Group Stage | Match details |
| 2 | Rangers | 25-10-2018 | Group Stage | Match details |
| 2 | Rapid Wien | 20-09-2018 | Group Stage | Match details |
