| No. | Player | Born | P |  |  |  |  |  |  |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Álex Remiro |  1995 | G | 37 | - | 3460 | - | 1 | - |
| 13 | Unai Marrero | 2001 | G | 1 | - | 91 | - | 1 | - |
| 41 | Theo Folgado | 2005 | G | - | - | - | - | - | - |
| 2 | Jon Aramburu | 2002 | D | 35 | 4 | 2860 | 1 | 11 | - |
| 3 | Aihen Muñoz | 1997 | D | 21 | 12 | 910 | 1 | 1 | - |
| 6 | Aritz Elustondo | 1994 | D | 16 | 8 | 741 | - | - | - |
| 17 | Sergio Gómez | 2000 | D | 35 | 5 | 2771 | - | 5 | 1 |
| 20 | Álvaro Odriozola | 1995 | D | 5 | 3 | 218 | 1 | - | - |
| 31 | Jon Martín | 2006 | D | 25 | - | 2347 | 2 | 6 | - |
| 33 | Iñaki Rupérez | 2003 | D | 1 | 1 | 1 | - | - | - |
| 38 | Luken Beitia | 2004 | D | 2 | 1 | 106 | - | - | - |
| 4 | Jon Gorrotxategi | 2002 | M | 30 | 4 | 2297 | 1 | 6 | - |
| 5 | Igor Zubeldía | 1997 | M | 25 | 2 | 2146 | - | 9 | - |
| 8 | Beñat Turrientes | 2002 | M | 27 | 11 | 1394 | - | 7 | - |
| 12 | Yangel Herrera | 1998 | M | 12 | 6 | 546 | - | 2 | - |
| 18 | Carlos Soler | 1997 | M | 33 | 7 | 2385 | 4 | 3 | 1 |
| 21 | Arsen Zakharyan | 2003 | M | 17 | 14 | 482 | - | 2 | - |
| 24 | Luka Sučić | 2002 | M | 22 | 12 | 1073 | 3 | 1 | - |
| 28 | Pablo Marín | 2003 | M | 34 | 19 | 1576 | - | 2 | - |
| 46 | Ibai Aguirre | 2007 | M | 1 | 1 | 5 | - | - | - |
| 7 | Ander Barrenetxea | 2001 | F | 30 | 8 | 1825 | 3 | 5 | - |
| 9 | Orri Óskarsson | 2004 | F | 20 | 12 | 871 | 9 | 5 | - |
| 10 | Mikel Oyarzabal | 1997 | F | 34 | 4 | 2807 | 15 | 3 | - |
| 11 | Gonçalo Guedes | 1996 | F | 32 | 10 | 1880 | 8 | 3 | - |
| 14 | Takefusa Kubo | 2001 | F | 24 | 7 | 1554 | 2 | 2 | - |
| 19 | Jon Karrikaburu | 2002 | F | 7 | 7 | 148 | - | - | - |
| 22 | Wesley Gassova Ribeiro | 2005 | F | 5 | 4 | 100 | - | - | - |
| 23 | Brais Méndez | 1997 | F | 29 | 8 | 1694 | 6 | 4 | 1 |
| 26 | Dani Diaz | 2006 | F | 1 | 1 | 20 | - | - | - |
| 47 | Job Ochieng | 2003 | F | 2 | 1 | 93 | - | - | - |
