| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 2 | Villarreal | 21-10-2008 | Group Stage | Match details |
| 2 | Manchester United | 30-09-2008 | Group Stage | Match details |
| 1 | Manchester United | 10-12-2008 | Group Stage | Match details |
| 1 | Celtic | 25-11-2008 | Group Stage | Match details |
| 1 | Villarreal | 05-11-2008 | Group Stage | Match details |
| 1 | Celtic | 17-09-2008 | Group Stage | Match details |
