| Yellow | Clubs | VS Club | Date | Sections | |
|---|---|---|---|---|---|
| 6 | Juventus | Barcelona | 22-04-2003 | Quarter-finals | Match details |
| 6 | Olympiakos | Bayer Leverkusen | 30-10-2002 | First Group Stage | Match details |
| 6 | AFC Ajax | Olympique Lyonnais | 30-10-2002 | First Group Stage | Match details |
| 5 | Juventus | Real Madrid | 06-05-2003 | Semi-finals | Match details |
| 5 | Internazionale | Valencia | 22-04-2003 | Quarter-finals | Match details |
| 5 | Spartak Moscow | Valencia | 12-11-2002 | First Group Stage | Match details |
| 5 | Internazionale | AFC Ajax | 12-11-2002 | First Group Stage | Match details |
| 5 | PSV Eindhoven | Arsenal | 12-11-2002 | First Group Stage | Match details |
| 5 | Spartak Moscow | Liverpool | 02-10-2002 | First Group Stage | Match details |
| 5 | AS Roma | KRC Genk | 02-10-2002 | First Group Stage | Match details |
