| No. | Name | Birth Date | Age | Country | Position | Height | Weight | Preferred foot |
| 1 | Izan Lecumberri | 2000-07-08 | 23 | 0 | 0 | |||
| 17 | Hasier Iriarte | 2001-01-01 | 23 | 0 | 0 | |||
| 4 | Javi Teres | 2000-01-01 | 24 | 0 | 0 | |||
| 21 | Hugo Teres | 2003-01-01 | 21 | 0 | 0 | |||
| 5 | Xabier Olague | - | 0 | 0 | ||||
| 8 | Sergio Lopez | 2001-02-18 | 23 | 189 | 0 | Left | ||
| 6 | Pablo Lopez | - | 0 | 0 | ||||
| 2 | Ibai Arroki | 2000-02-29 | 24 | 175 | 0 | Right | ||
| 22 | Pablo Manuel Palacios Lezana | 2000-01-01 | 24 | 0 | 0 | |||
| 7 | Adrian Roncal | - | 0 | 0 | ||||
| 11 | Adrian Santano | 2000-01-01 | 24 | 0 | 0 | |||
| 19 | Iban Lara | 2000-01-01 | 24 | 0 | 0 | |||
| 10 | Imanol Arellano | 1994-08-02 | 29 | 0 | 0 | |||
| 15 | Pablo Grande | 2001-08-24 | 22 | 0 | 0 | |||
| 20 | Fermin Garcia | 2003-01-01 | 21 | 0 | 0 | |||
| 12 | Ander Astrain | 2001-01-01 | 23 | 0 | 0 | |||
| 16 | Miguel Diaz Montes | 1994-01-24 | 30 | Midfielder | 185 | 0 | Right | |
| 9 | Fernando Satrustegui Esnaola | 2000-11-17 | 23 | 0 | 0 | |||
| 3 | Oier Retegui Zubillaga | 2001-01-01 | 23 | 0 | 0 |