Arenas Getxo
—
- O. Bazaga
Atletico MadridLoan31 Jan 2026 - M. Fernandez Cozar
EspanyolFree agent26 Jan 2026 
Julen Lartitegi
AlavesLoan19 Aug 2025- J. L. Rodriguez
Real BetisLoan30 Jul 2025 
Oier Gastesi
Athletic ClubLoan20 Jul 2025
Adrián Verde
ValladolidFree Transfer15 Jul 2025- Diego Carrio
UE Santa Coloma—1 Jul 2023 - AritzAlaves—1 Jul 2021
- C. AtanganaAthletic ClubLoan4 Aug 2020
Xeber Alkain
Real SociedadLoan10 Jan 2019- Sergio Camus
Racing Santander€ Free31 Aug 2017 - Sergio CamusRacing SantanderLoan19 Jan 2017
- Alberto Toril
MallorcaLoan9 Jan 2017 - Héctor Escrich CarrascoMallorca—24 Aug 2016
- Nacho BuilAtletico MadridLoan31 Aug 2015
- Pablo Pérez Blanco
Celta VigoFree22 Aug 2015 - Beto Ernesto Tomás Catiane
Sevilla—6 Aug 2015 - Diego RoyoAthletic ClubFree12 Jul 2013
- Julen LartitegiAlavesReturn from loan29 Jun 2026
- Oier GastesiAthletic ClubReturn from loan29 Jun 2026
- O. BazagaAtletico MadridReturn from loan29 Jun 2026
- J. L. RodriguezReal BetisReturn from loan1 Feb 2026
- Iván AlonsoRacing Santander—1 Jul 2021
- Sergio CamusRacing Santander—1 Jul 2017
- DopiAthletic Club—22 Jan 2016