| Yellow | Clubs | VS Club | Date | Sections | |
|---|---|---|---|---|---|
| 5 | Panathinaikos | Atletico Madrid | 25-08-2009 | Play Off | Match details |
| 4 | Debreceni VSC | Levski Sofia | 25-08-2009 | Play Off | Match details |
| 4 | RSC Anderlecht | Olympique Lyonnais | 19-08-2009 | Play Off | Match details |
| 3 | Fiorentina | Sporting Lisbon | 26-08-2009 | Play Off | Match details |
| 3 | FC Timisoara | VfB Stuttgart | 26-08-2009 | Play Off | Match details |
| 3 | Celtic | Arsenal | 26-08-2009 | Play Off | Match details |
| 3 | APOEL Nicosia | FC Copenhagen | 26-08-2009 | Play Off | Match details |
| 3 | Sporting Lisbon | Fiorentina | 26-08-2009 | Play Off | Match details |
| 3 | Maccabi Haifa | Salzburg | 19-08-2009 | Play Off | Match details |
| 3 | Fiorentina | Sporting Lisbon | 18-08-2009 | Play Off | Match details |
