| Goalkeeper | |||||
|---|---|---|---|---|---|
| # | Name | Country | Birthday | ||
| 1 |  | Barandiarán |  | Spain | 01.10.1993 |
 | Pablo Fid | | Spain | 10.02.1997 | |
| Defence | |||||
| # | Name | Country | Birthday | ||
| 4 |  | Ander Blanco | | Spain | 16.03.2000 |
| 6 |  | Aritz Huete | | Spain | 27.06.1996 |
 | Gago | | Spain | 10.09.1984 | |
| 2 |  | Markel Bravo | | Spain | 30.03.1999 |
| 3 |  | Mateo | | Spain | 16.02.1997 |
| 5 |  | Daiki Niwa |  | Japan | 16.01.1986 |
 | Xabi Galán | | Spain | 23.11.1989 | |
| Midfield | |||||
| # | Name | Country | Birthday | ||
| 7 |  | Aitor Villar | | Spain | 26.01.1991 |
 | Albístegui | | Spain | 01.07.1987 | |
| 16 |  | Bittor | | Spain | 17.12.1998 |
 | Garikoitz Basaras | | Spain | 28.02.1994 | |
 | Julen Huidobro | | Spain | 01.04.1995 | |
 | Omar Kaci | | Spain | 10.10.1995 | |
 | Zumalakarregi | | Spain | 13.07.1986 | |
| Forward | |||||
| # | Name | Country | Birthday | ||
| 20 |  | Aritz Pascual | | Spain | 30.06.1999 |
 | Borja Álvarez | | Spain | 28.01.1992 | |
| 11 |  | Jon Elorza | | Spain | 02.07.1997 |
| 17 |  | Josu Juste | | Spain | 12.04.2000 |
 | Txema Pan | | Spain | 07.06.1994 | |
| 22 |  | Unai Buján | | Spain | 08.02.2001 |
 | Víctor Monteiro |  | Portugal | 16.06.1994 | |
| Manager | |||||
| # | Name | Country | Birthday | ||
 | Igor Oca | | Spain | 07.05.1981 | |
Sestao River