5. Round 25/09/1999 RCD Mallorca - Athletic Bilbao 2:1
6. Round 02/10/1999 Athletic Bilbao - Deportivo La Coruña 2:3
8. Round 15/10/1999 Athletic Bilbao - Valencia CF 1:0
9. Round 22/10/1999 FC Barcelona - Athletic Bilbao 4:0
12. Round 19/11/1999 Athletic Bilbao - Atlético Madrid 4:2 Goal
13. Round 27/11/1999 Rayo Vallecano - Athletic Bilbao 1:2
14. Round 03/12/1999 Athletic Bilbao - Real Sociedad 1:1
15. Round 11/12/1999 RC Celta - Athletic Bilbao 1:1
16. Round 18/12/1999 Athletic Bilbao - Real Zaragoza 2:2
18. Round 04/01/2000 Athletic Bilbao - Espanyol Barcelona 2:1 yellow card
19. Round 08/01/2000 CD Alavés - Athletic Bilbao 1:2
20. Round 15/01/2000 Real Betis - Athletic Bilbao 2:1
21. Round 22/01/2000 Athletic Bilbao - Real Valladolid 1:0 Goal yellow card
22. Round 29/01/2000 Real Madrid - Athletic Bilbao 3:1
23. Round 05/02/2000 Athletic Bilbao - CD Numancia 2:1 yellow card
24. Round 11/02/2000 Athletic Bilbao - RCD Mallorca 1:1
25. Round 18/02/2000 Deportivo La Coruña - Athletic Bilbao 2:0
26. Round 26/02/2000 Athletic Bilbao - Málaga CF 2:2
27. Round 03/03/2000 Valencia CF - Athletic Bilbao 2:0 red card
30. Round 24/03/2000 Athletic Bilbao - Sevilla FC 1:1
31. Round 01/04/2000 Atlético Madrid - Athletic Bilbao 1:2 yellow card
32. Round 08/04/2000 Athletic Bilbao - Rayo Vallecano 1:2
33. Round 15/04/2000 Real Sociedad - Athletic Bilbao 4:1
34. Round 21/04/2000 Athletic Bilbao - RC Celta 1:0 yellow card
36. Round 06/05/2000 Athletic Bilbao - Racing Santander 2:2 yellow card
37. Round 13/05/2000 Espanyol Barcelona - Athletic Bilbao 0:0
38. Round 18/05/2000 Athletic Bilbao - CD Alavés 2:1 Goal