Squad
| # | Player | Position | Nationality |
|---|---|---|---|
| 1 | Unai Simón | goalkeeper | Spain |
| 26 | Mikel Santos | goalkeeper | Spain |
| 27 | Álex Padilla | goalkeeper | Mexico |
| 14 | Aymeric Laporte | defender | Spain |
| 17 | Yuri Berchiche | defender | Spain |
| 5 | Yeray | defender | Spain |
| 15 | Iñigo Lekue | defender | Spain |
| 2 | Andoni Gorosabel | defender | Spain |
| 3 | Dani Vivian | defender | Spain |
| 12 | Jesús Areso | defender | Spain |
| 4 | Aitor Paredes | defender | Spain |
| 13 | Unai Egiluz | defender | Spain |
| 19 | Adama Boiro | defender | Spain |
| 28 | Aimar Duñabeitia | defender | Spain |
| 38 | Ander Izagirre | defender | Spain |
| 34 | Jon De Luis | defender | Spain |
| 47 | Iker Monreal | defender | Spain |
| 16 | Iñigo Ruiz de Galarreta | midfielder | Spain |
| 6 | Mikel Vesga | midfielder | Spain |
| 23 | Robert Navarro | midfielder | Spain |
| 8 | Oihan Sancet | midfielder | Spain |
| 24 | Beñat Prados | midfielder | Spain |
| 20 | Unai Gómez | midfielder | Spain |
| 18 | Mikel Jauregizar | midfielder | Spain |
| 30 | Alejandro Rego | midfielder | Spain |
| 35 | Ibon Sánchez | midfielder | Spain |
| 44 | Selton Sánchez | midfielder | Spain |
| 49 | Eder García | midfielder | Spain |
| 10 | Nico Williams | forward | Spain |
| 9 | Iñaki Williams | forward | Ghana |
| 7 | Álex Berenguer | forward | Spain |
| 11 | Gorka Guruzeta | forward | Spain |
| 22 | Nico Serrano | forward | Spain |
| 25 | Urko Izeta | forward | Spain |
| 48 | Endika Bujan | forward | Spain |
| 21 | Maroan Sannadi | forward | Morocco |
| 33 | Adrián Pérez | forward | Spain |
| 31 | Asier Hierro | forward | Spain |
| 40 | Elijah Gift | forward | Spain |