| Red | Clubs | VS Club | Date | Sections | |
|---|---|---|---|---|---|
| 2 | AS Monaco | PSV Eindhoven | 25-11-2003 | Group Stage | Match details |
| 2 | Club Brugge | Celta Vigo | 16-09-2003 | Group Stage | Match details |
| 1 | Deportivo La Coruna | FC Porto | 04-05-2004 | Semi-finals | Match details |
| 1 | Deportivo La Coruna | FC Porto | 21-04-2004 | Semi-finals | Match details |
| 1 | AS Monaco | Chelsea | 20-04-2004 | Semi-finals | Match details |
| 1 | Olympique Lyonnais | FC Porto | 07-04-2004 | Quarter-finals | Match details |
| 1 | Chelsea | Arsenal | 24-03-2004 | Quarter-finals | Match details |
| 1 | Celta Vigo | Arsenal | 10-03-2004 | Round of 16 | Match details |
| 1 | Lokomotiv Moscow | AS Monaco | 10-03-2004 | Round of 16 | Match details |
| 1 | Manchester United | FC Porto | 25-02-2004 | Round of 16 | Match details |
