| Red | Clubs | VS Club | Date | Sections | |
|---|---|---|---|---|---|
| 2 | Rangers | Slavia Prague | 18-03-2021 | Round of 16 | Match details |
| 1 | Olympiakos | Arsenal | 18-03-2021 | Round of 16 | Match details |
| 1 | Molde FK | Granada CF | 11-03-2021 | Round of 16 | Match details |
| 1 | Crvena Zvezda | AC Milan | 25-02-2021 | Round of 32 | Match details |
| 1 | Sporting Braga | AS Roma | 18-02-2021 | Round of 32 | Match details |
| 1 | Royal Antwerp | Rangers | 18-02-2021 | Round of 32 | Match details |
| 1 | Crvena Zvezda | AC Milan | 18-02-2021 | Round of 32 | Match details |
| 1 | BSC Young Boys | AS Roma | 03-12-2020 | Group Section | Match details |
| 1 | Sparta Prague | Lille OSC | 03-12-2020 | Group Section | Match details |
| 1 | CFR Cluj | CSKA Sofia | 03-12-2020 | Group Section | Match details |
