| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 6 | Stade Rennes | 25-10-2018 | Group Stage | Match details |
| 3 | Olympiakos | 21-02-2019 | Round of 32 | Match details |
| 3 | FK Jablonec | 04-10-2018 | Group Stage | Match details |
| 2 | Chelsea | 07-03-2019 | Round of 16 | Match details |
| 2 | Olympiakos | 14-02-2019 | Round of 32 | Match details |
| 2 | FK Jablonec | 13-12-2018 | Group Stage | Match details |
