| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 2 | Benfica | 21-10-1998 | Group Stage | Match details |
| 2 | 1. FC Kaiserslautern | 30-09-1998 | Group Stage | Match details |
| 2 | PSV Eindhoven | 16-09-1998 | Group Stage | Match details |
| 1 | 1. FC Kaiserslautern | 09-12-1998 | Group Stage | Match details |
| 1 | Benfica | 04-11-1998 | Group Stage | Match details |
