| No. | Name | Birth Date | Age | Country | Position | Height | Weight | Preferred foot |
| 3 | Xabier Etxeita | 1987-10-31 | 37 | Defender | 185 | 79 | Right | |
| 15 | Jon Aurtenetxe Borde | 1992-01-03 | 33 | Defender | 183 | 82 | Left | |
| 11 | Pablo Hervias | 1993-03-08 | 31 | Midfielder | 174 | 70 | Right | |
| 14 | Javi Eraso | 1990-03-22 | 34 | Midfielder | 180 | 71 | Right | |
| 11 | Iker Seguin | 1989-07-12 | 35 | Midfielder | 183 | 73 | Left | |
| 5 | Unai Bustinza | 1992-02-02 | 32 | Defender | 175 | 74 | Right | |
| 5 | Jon Ander Amelibia Do Naximiento | 1994-01-13 | 31 | Defender | 180 | 0 | Right | |
| 23 | Jordi Calavera | 1995-08-02 | 29 | Defender | 178 | 67 | Right | |
| 18 | Aly Coulibaly | 1996-04-08 | 28 | Midfielder | 185 | 76 | Right | |
| 13 | Gaizka Campos | 1997-05-16 | 27 | Guard | 189 | 80 | Right | |
| 22 | Alvaro Munoz Yuste Coronado | 2001-04-04 | 23 | Defender | 185 | 0 | ||
| 17 | Inigo Munoz | 1996-12-16 | 28 | Midfielder | 165 | 0 | Right | |
| 10 | Alberto Gonzalez | 1998-04-02 | 26 | Forward | 173 | 0 | ||
| 9 | Kaxe | 1994-01-21 | 31 | Forward | 183 | 80 | ||
| 14 | Nassourou Hamed | 2002-07-20 | 22 | Midfielder | 170 | 0 | ||
| 1 | Unai Marino Alkorta | 1999-12-10 | 25 | 185 | 0 | Right | ||
| 2 | Alex Carbonell | 2001-03-13 | 23 | 0 | 0 | Right | ||
| 20 | Enol Coto | 2001-03-23 | 23 | 174 | 0 | |||
| 3 | Sergio Camacho | 2002-05-08 | 22 | 173 | 0 | |||
| 7 | Daniel Selma | 2001-03-01 | 23 | 186 | 80 | Left | ||
| 19 | Mauro Bravo | 1999-07-30 | 25 | 172 | 68 | Left | ||
| 4 | Mikel Kortazar Idiakez | 1999-03-10 | 25 | 187 | 0 | |||
| 21 | Alvaro Marin | 2003-05-01 | 21 | 187 | 0 | Right | ||
| Eric Perez Albarran | 2001-05-18 | 23 | 180 | 0 | ||||
| Aimar Vicandi Alzola | 2005-02-09 | 19 | 183 | 0 |