| Position | Name | Age | Birthday | Nationality |
|---|---|---|---|---|
| Attacker | Eneko Jauregi Escobar | 29 | 1996-07-13 | Spain |
| Midfielder | Gorka Iturraspe Derteano | 31 | 1994-05-03 | Spain |
| Midfielder | Iker Seguín Cid | 36 | 1989-07-12 | Spain |
| Goalkeeper | Jon Mikel Magunagoitia Blasco | 25 | 2000-08-06 | Spain |
| Defender | Jorge Mier Martínez | 26 | 1999-02-04 | Spain |
| Midfielder | Josué Dorrio Ortega | 31 | 1994-03-03 | Spain |
| Defender | José Manuel Hernando Riol | 27 | 1998-07-19 | Spain |
| Midfielder | Kwasi Sibo | 27 | 1998-01-24 | Ghana |
| Midfielder | Rayco Rodríguez Medina | 29 | 1996-11-24 | Spain |
| Midfielder | Ryan Edwards | 32 | 1993-11-17 | Australia |
| Goalkeeper | Unai Marino Alkorta | 26 | 1999-12-10 | Spain |
| Defender | Unai Uberuaga Regulez | 24 | 2001-02-18 | Spain |
| Midfielder | Unai Buján Díez | 24 | 2001-02-08 | Spain |
| Defender | Xabier Etxeita Gorritxategi | 38 | 1987-10-31 | Spain |
| Midfielder | Youssef Issakhi | 20 | 2005-04-23 | Morocco |