Squad
| No. | Player | Born | P |  |  |  |  |  |  |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Luis López |  2001 | G | - | - | - | - | 1 | - |
| 13 | Raúl Fernández | 1988 | G | 38 | - | 3601 | - | 4 | - |
| 31 | Álex González | 2002 | G | - | - | - | - | - | - |
| 2 | Hugo Rincón | 2003 | D | 34 | 2 | 3151 | 1 | 8 | - |
| 3 | Julio Alonso | 1998 | D | 25 | 5 | 2139 | - | 4 | - |
| 4 | Unai Eguíluz | 2002 | D | 18 | 6 | 1707 | - | 6 | - |
| 5 | Alberto Tachi | 1997 | D | 18 | 7 | 1652 | - | 9 | 1 |
| 21 | Sergio Postigo | 1988 | D | 5 | 4 | 543 | - | 2 | - |
| 22 | Juan Gutiérrez | 2000 | D | 32 | 1 | 2920 | - | 11 | - |
| 33 | Victor Parada | 2002 | D | 15 | 15 | 1587 | - | 7 | 1 |
| 34 | Diego Rosales | 2003 | D | - | - | - | - | - | - |
| 36 | Hodei Alutiz Salgado | 2003 | D | - | - | - | - | - | - |
| 6 | Jon Gorrotxategi | 2002 | M | 38 | - | 3526 | 4 | 2 | - |
| 8 | Carlo Adriano | 2001 | M | - | 6 | 61 | - | - | - |
| 10 | Alberto Reina | 1997 | M | 36 | 1 | 3122 | 5 | 3 | - |
| 15 | Pablo Tomeo | 2000 | M | 32 | 5 | 2929 | 2 | 4 | - |
| 19 | Mathis Lachuer | 2000 | M | 31 | 4 | 2529 | 2 | 7 | 1 |
| 28 | Alberto Dadie | 2002 | M | - | 9 | 101 | - | - | 2 |
| 30 | Asier | 2002 | M | - | 1 | 12 | - | - | - |
| 35 | Hugo Zárate | 2004 | M | - | - | - | - | - | - |
| 38 | Alberto Garci | 2002 | M | - | - | - | - | - | - |
| 7 | Adrián Butzke | 1999 | F | 1 | 11 | 266 | 1 | 1 | - |
| 9 | Joaquín Panichelli | 2002 | F | 36 | - | 3293 | 20 | 4 | - |
| 11 | Álex Calvo | 2004 | F | - | 11 | 174 | - | 1 | - |
| 17 | Urko Izeta | 1999 | F | 21 | 15 | 1939 | 10 | 4 | - |
| 20 | Ander Martín | 2000 | F | 4 | 19 | 615 | - | - | - |
| 27 | Joel Roca | 2005 | F | 15 | 19 | 1653 | 5 | 4 | - |
| 29 | Iker Benito | 2002 | F | 14 | 3 | 1319 | - | 2 | - |
| 32 | Sergio Gabriel | 2003 | F | - | 1 | 14 | - | - | - |
| 40 | Yidne Pinto | 2005 | F | - | - | - | - | - | - |
| 42 | Markel Martínez | 2002 | F | - | - | - | - | - | - |
