- Aritz Muguruza
TorreenseFree agent—1 Jul 2026 
S. Calera
Racing SantanderFree agent—29 Jun 2026
S. Mandiang
Las PalmasLoan—3 Aug 2025- S. MandiangLas PalmasLoan—31 Jul 2025
- I. Ropero
Real SociedadLoan—18 Jul 2025 
I. RoperoReal SociedadLoan—17 Jul 2025
José de León
AlavesLoan—15 Jul 2025
Jesús
ValladolidLoan—1 Aug 2024- Hodei Oleaga
Athletic Club€ Free—5 Aug 2020 - Aitor SeguínAthletic ClubLoan—23 Jan 2020
- Urtzi Iriondo
Union St. Gilloise——20 Aug 2019 
Carlos Algarra
Real MadridLoan—5 Aug 2019- Samu Pinto
MallorcaLoan—30 Jul 2019 - B. ReynaMallorcaLoan—30 Jul 2019
- Iker OlaizolaReal SociedadFree—23 Jul 2019
- Juan Delgado
Levante——11 Jul 2019 - Manel Royo
EspanyolFree—20 Nov 2018 
O. Šarkić
LeedsLoan—1 Sept 2018
Sergio Benito
Rayo VallecanoLoan—19 Aug 2018
- I. RoperoReal SociedadReturn from loan—29 Jun 2026
- José de LeónAlavesReturn from loan—29 Jun 2026
- S. MandiangLas PalmasReturn from loan—29 Jun 2026
- S. MandiangLas PalmasReturn from loan—29 Jun 2026
- I. RoperoReal SociedadReturn from loan—29 Jun 2026
Unai PérezTorreenseFree Transfer—2 Jul 2025- JesúsValladolidBack from Loan—1 Jul 2025
- Urki Txoperena
Dinamo TiranaFree Transfer—1 Jul 2025 
Luis BilbaoDinamo TiranaBack from Loan—1 Jul 2025- Luis BilbaoAthletic ClubReturn from loan—29 Jun 2025
Maroan SannadiAlavesReturn from loan—30 Jan 2025
Víctor Villacañas
Oviedo——6 Jul 2019- Jurgi OteoAthletic Club——1 Jul 2019
- Sergio BuenacasaMallorca——2 Jul 2018
- Iñaki OlaortuaRacing Santander——1 Jul 2018
- Jaume PolMallorca——31 Jan 2018
- Deco
Malaga——1 Jul 2017 - ItoLevanteLoan—27 Jan 2017