| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 6 | Atletico Madrid | 15-09-2021 | Group Stage | Match details |
| 4 | AC Milan | 03-11-2021 | Group Stage | Match details |
| 3 | Atletico Madrid | 07-12-2021 | Group Stage | Match details |
| 2 | Liverpool | 24-11-2021 | Group Stage | Match details |
| 2 | AC Milan | 19-10-2021 | Group Stage | Match details |
