Squad
| No. | Player | Born | P |  |  |  |  |  |  |
|---|---|---|---|---|---|---|---|---|---|
| Jesús Areso |  1999 | D | - | - | - | - | - | - | |
| 7 | Alejandro Berenguer | 1995 | F | 7 | 7 | 767 | - | 2 | - |
| 32 | Adama Boiro | 2002 | D | 1 | - | 76 | 1 | - | - |
| 43 | Endika Buján | 2003 | F | - | - | - | - | - | - |
| Jon de Luis | 2003 | D | - | - | - | - | - | - | |
| 30 | Aimar Duñabeitia | 2003 | D | - | - | - | - | - | - |
| Unai Eguíluz | 2002 | D | - | - | - | - | - | - | |
| 20 | Unai Gómez | 2003 | M | 5 | 8 | 504 | 1 | 1 | - |
| 2 | Andoni Gorosabel | 1996 | D | 6 | 3 | 500 | - | 2 | - |
| 12 | Gorka Guruzeta | 1996 | F | 7 | 5 | 718 | 1 | - | - |
| 46 | Ander Izagirre | 2003 | D | - | - | - | - | - | - |
| Urko Izeta | 1999 | F | - | - | - | - | - | - | |
| 23 | Mikel Jauregizar | 2003 | M | 10 | 1 | 867 | 1 | 2 | - |
| 15 | Iñigo Lekue | 1993 | D | 2 | 2 | 243 | - | - | - |
| Robert Navarro | 2002 | F | - | - | - | - | - | - | |
| 26 | Alejandro Padilla | 2003 | G | - | - | - | - | - | - |
| 4 | Aitor Paredes | 2000 | D | 8 | 2 | 860 | 1 | - | - |
| 24 | Beñat Prados | 2001 | M | 6 | 7 | 645 | 1 | 1 | - |
| 35 | Alejandro Rego | 2003 | M | - | - | - | - | - | - |
| 16 | Ruiz de Galarreta | 1993 | M | 12 | 1 | 909 | - | 2 | - |
| 8 | Oihan Sancet | 2000 | M | 5 | 2 | 457 | 2 | 2 | - |
| 21 | Maroan Sannadi | 2001 | F | 6 | - | 464 | - | 3 | - |
| 22 | Nicolás Serrano | 2003 | F | - | 3 | 87 | 1 | 1 | - |
| 1 | Unai Simón | 1997 | G | 1 | - | 94 | - | 1 | - |
| Unai Vencedor | 2000 | M | - | - | - | - | - | - | |
| 6 | Mikel Vesga | 1993 | M | - | 7 | 150 | - | 1 | - |
| 3 | Daniel Vivian | 1999 | D | 10 | 1 | 861 | - | 2 | 1 |
| 9 | Iñaki Williams | 1994 | F | 11 | 1 | 1002 | 5 | 2 | - |
| 10 | Nicholas Williams | 2002 | F | 12 | 1 | 986 | 5 | 1 | - |
| 5 | Yeray Álvarez López | 1995 | D | 7 | - | 614 | 1 | 4 | 1 |
| 17 | Yuri Berchiche Izeta | 1990 | D | 11 | - | 1048 | 1 | 3 | - |
