| No. | Name | Birth Date | Age | Country | Position | Height | Weight | Preferred foot |
| 12 | Jon Sillero Monreal | 1998-05-24 | 26 | Defender | 177 | 80 | Right | |
| 28 | Julen Arellano Sandua | 1997-01-08 | 28 | Defender | 178 | 0 | Left | |
| 13 | Julen Agirrezabala | 2000-12-26 | 24 | 187 | 80 | Left | ||
| 23 | Benat Gerenabarrena Zendoia | 2003-03-29 | 21 | 0 | 0 | |||
| Unai Velez Galvan | 2002-02-20 | 22 | 0 | 0 | ||||
| Unai Gomez | 2003-05-25 | 21 | 183 | 78 | Left | |||
| 19 | Alejandro Rego Mora | 2003-06-11 | 21 | 0 | 0 | |||
| 34 | Ibon Ignacio Sanchez Ocen | 2022-12-31 | 2 | 0 | 0 | |||
| 13 | Oier Gastesi | 2003-10-30 | 21 | 190 | 84 | Right | ||
| 4 | Aimar Dunabeitia Madariaga | 2003-02-26 | 21 | 184 | 79 | Right | ||
| 3 | Asier Perez Moreno | - | 0 | 0 | ||||
| 36 | Mikel Jauregizar | 2003-11-13 | 21 | 177 | 73 | Right | ||
| 9 | Quicala Bari | - | 0 | 0 | ||||
| 33 | Aingeru Olabarrieta | 2005-11-14 | 19 | 182 | 76 | |||
| Adama Boiro | 2002-06-22 | 22 | 183 | 75 | Left | |||
| 2 | Erlantz Palacin | 2003-02-10 | 21 | 183 | 79 | Right | ||
| 25 | Mikel Santos | 2004-11-01 | 20 | 182 | 0 | Left |