Sestao River
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- Iñigo Gomeza
Racing SantanderFree Transfer10 Jul 2025 - I. GomezaRacing SantanderFree agent8 Jul 2025
- Iago Herrerín
AEK LarnacaFree20 Aug 2024 
Javi Garrido
LeganesLoan6 Aug 2024
Joseda Álvarez
AlavesLoan9 Jul 2024- Marcos BustilloRacing SantanderFree3 Jul 2024
Pere García
MallorcaLoan31 Aug 2023- Diego MirapeixRacing SantanderLoan31 Aug 2023
- Pepe BlancoAlaves—31 Aug 2021
- Álvaro Mateo
Getafe—27 Aug 2020 - LandetaAlaves—1 Jul 2019
- Armando
ValenciaLoan27 Jan 2017 - Gorka Magunazelaia
Oviedo—31 Aug 2016 - Aitor Morcillo
Real Sociedad—31 Aug 2016 - Jon GarcíaRacing Santander—30 Jul 2016
- Egoitz Magdaleno
Athletic Club€ Free18 Jul 2016 - Alberto TorilMallorcaLoan14 Jul 2016
- Andoni PérezAthletic Club€ Free1 Jul 2016
- Jon AgirrezabalaAthletic ClubLoan1 Jan 2016
- Jorge Hernández
Valladolid—5 Aug 2015
- Joseda ÁlvarezAlaves—1 Jul 2025
- Javi GarridoLeganesBack from Loan1 Jul 2025
Sergi Puig
GironaFree12 Jul 2024- Pere GarcíaMallorca—1 Jul 2024
- Diego MirapeixRacing Santander—1 Jul 2024
- Gaizka Martínez
Deportivo La Coruna—3 Jul 2017 - Alberto TorilMallorca—1 Jul 2017
- ArmandoValencia—1 Jul 2017
- Raúl DomínguezRacing Santander€ Free13 Jul 2016
- Ander ArtabeAthletic Club—1 Jul 2015
- P. DiamankaLeganes—18 Jul 2014
- Jon Koldo Iruarrizaga ArtecheAthletic Club—1 Jul 2013
- Mikel OrbegozoAthletic Club—30 Jun 2013
- Igor ArnáezAthletic Club—1 Jul 2012
- Gorka MagunazelaiaAthletic Club—1 Jul 2012
- Jon EtxanizAthletic Club—1 Jul 2012
- Eder Vilarchao
Real Betis—1 Jul 2012 - Ibai GómezAthletic Club—1 Jul 2010