HomeTeamsAthletic Club1920-21Athletic Club - Real SociedadAthletic Club - Real SociedadAthletic Club01Real SociedadIriarte NaN' 26/09 | Date and time to be confirmedLocationSan Mamés , BilboLine-upsAthletic ClubReal SociedadStarting XIRivero, FMarinoSaucaBelauste, PBelauste, JMSabinoGermánPichichiApónEtxebarriaAcedoSubstitutesHead coachWilliam BarnesHomeAthletic ClubStarting XIRivero, FMarinoSaucaBelauste, PBelauste, JMSabinoGermánPichichiApónEtxebarriaAcedoSubstitutesHead coachWilliam BarnesAwayReal SociedadStarting XIEizaguirreCarrascoArrateAmbrosioPortuOlivánEchartArbideOlegarioOlegarioSilverioSubstitutesIriarteHead coachMatch officialsArzuaga Juan LuisRefereeBizkaia