| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 2 | FC Porto | 04-11-2003 | Group Stage | Match details |
| 2 | FC Porto | 22-10-2003 | Group Stage | Match details |
| 1 | Partizan Belgrade | 09-12-2003 | Group Stage | Match details |
| 1 | Real Madrid | 26-11-2003 | Group Stage | Match details |
| 1 | Partizan Belgrade | 01-10-2003 | Group Stage | Match details |
| 1 | Real Madrid | 16-09-2003 | Group Stage | Match details |
