| 1. Round | 31/08/2008 | Athletic Club | - | UD Almería | 1:3 | ||||
| 9. Round | 01/11/2008 | Athletic Club | - | Villarreal CF | 1:4 |  |
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| 10. Round | 09/11/2008 | RCD Mallorca | - | Athletic Club | 3:3 | ||||
| 11. Round | 16/11/2008 | Athletic Club | - | CA Osasuna | 2:0 | ||||
| 19. Round | 18/01/2009 | Athletic Club | - | Valencia CF | 3:2 | ||||
| 20. Round | 25/01/2009 | UD Almería | - | Athletic Club | 2:1 | |
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| 21. Round | 31/01/2009 | Athletic Club | - | Málaga CF | 3:2 | |
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| 22. Round | 08/02/2009 | Real Valladolid | - | Athletic Club | 2:1 | ||||
| 25. Round | 28/02/2009 | Athletic Club | - | Sevilla FC | 1:2 | |
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| 31. Round | 18/04/2009 | Athletic Club | - | Deportivo La Coruña | 0:1 | |
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| 35. Round | 09/05/2009 | Athletic Club | - | Real Betis | 1:0 |
Spain