Squad
| No. | Player | Born | P |  |  |  |  |  |  |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Álex Remiro |  1995 | G | 6 | - | 575 | - | - | - |
| 13 | Unai Marrero | 2001 | G | - | - | - | - | - | - |
| 32 | Aitor Fraga | 2003 | G | - | - | - | - | - | - |
| 35 | Egoitz Arana | 2002 | G | - | - | - | - | - | - |
| 2 | Álvaro Odriozola | 1995 | D | - | 1 | 30 | - | - | - |
| 3 | Aihen Muñoz | 1997 | D | 1 | 2 | 135 | - | 1 | - |
| 6 | Aritz Elustondo | 1994 | D | 3 | - | 258 | - | - | - |
| 8 | Nayef Aguerd | 1996 | D | 2 | - | 165 | - | - | - |
| 12 | Javi López | 2002 | D | 4 | 1 | 413 | - | - | - |
| 15 | Urko González | 2001 | D | 1 | - | 46 | - | 1 | - |
| 17 | Sergio Gómez | 2000 | D | 5 | 1 | 446 | - | - | - |
| 18 | Hamari Traoré | 1992 | D | 4 | - | 322 | - | - | - |
| 20 | Jon Pacheco | 2001 | D | 4 | 1 | 358 | - | 2 | - |
| 27 | Jon Aramburu | 2002 | D | 2 | 2 | 190 | - | 2 | - |
| 31 | Jon Martín | 2006 | D | - | 2 | 104 | - | 1 | - |
| 41 | Iñaki Rupérez | 2003 | D | - | - | - | - | - | - |
| 4 | Martín Zubimendi | 1999 | M | 5 | 1 | 529 | 1 | - | - |
| 5 | Igor Zubeldía | 1997 | M | 4 | - | 308 | - | 1 | - |
| 16 | Jon Ander Olasagasti | 2000 | M | - | 2 | 50 | - | - | - |
| 21 | Arsen Zakharyan | 2003 | M | - | - | - | - | - | - |
| 22 | Beñat Turrientes | 2002 | M | 4 | 2 | 327 | - | 2 | - |
| 24 | Luka Sučić | 2002 | M | 2 | 1 | 181 | - | - | - |
| 25 | Jon Magunazelaia | 2001 | M | - | - | - | - | - | - |
| 28 | Pablo Marín | 2003 | M | - | 3 | 59 | - | - | - |
| 7 | Ander Barrenetxea | 2001 | F | 1 | 3 | 208 | - | 1 | - |
| 9 | Orri Óskarsson | 2004 | F | - | 3 | 90 | - | - | - |
| 10 | Mikel Oyarzabal | 1997 | F | 4 | - | 239 | - | 1 | 1 |
| 11 | Sheraldo Becker | 1995 | F | 4 | 2 | 364 | - | - | - |
| 14 | Takefusa Kubo | 2001 | F | 4 | 2 | 393 | 1 | 1 | - |
| 19 | Umar Sadiq | 1997 | F | 2 | 2 | 193 | - | 1 | - |
| 23 | Brais Méndez | 1997 | F | 4 | - | 273 | 1 | - | - |
