| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 5 | FC Porto | 07-04-2011 | Quarter-finals | Match details |
| 5 | FC Basel | 17-02-2011 | Round of 32 | Match details |
| 3 | AFC Ajax | 10-03-2011 | Round of 16 | Match details |
| 1 | FC Porto | 14-04-2011 | Quarter-finals | Match details |
| 1 | AFC Ajax | 17-03-2011 | Round of 16 | Match details |
