| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 6 | Manchester United | 18-10-2011 | Group Stage | Match details |
| 3 | FC Basel | 14-09-2011 | Group Stage | Match details |
| 2 | Benfica | 07-12-2011 | Group Stage | Match details |
| 2 | Benfica | 27-09-2011 | Group Stage | Match details |
| 1 | FC Basel | 22-11-2011 | Group Stage | Match details |
| 1 | Manchester United | 02-11-2011 | Group Stage | Match details |
