| Yellow | Clubs | VS Club | Date | Sections | |
|---|---|---|---|---|---|
| 9 | FC Basel | Getafe | 24-10-2019 | Group Stage | Match details |
| 7 | Dynamo Kyiv | Malmo FF | 28-11-2019 | Group Stage | Match details |
| 6 | FC Porto | Bayer Leverkusen | 27-02-2020 | Round of 32 | Match details |
| 6 | FC Krasnodar | FC Basel | 28-11-2019 | Group Stage | Match details |
| 6 | AZ Alkmaar | Partizan Belgrade | 28-11-2019 | Group Stage | Match details |
| 6 | Sporting Braga | Besiktas | 24-10-2019 | Group Stage | Match details |
| 5 | AFC Ajax | Getafe | 27-02-2020 | Round of 32 | Match details |
| 5 | KAA Gent | AS Roma | 27-02-2020 | Round of 32 | Match details |
| 5 | Getafe | AFC Ajax | 27-02-2020 | Round of 32 | Match details |
| 5 | APOEL Nicosia | FC Basel | 27-02-2020 | Round of 32 | Match details |
