HomeTeamsAthletic Club1920-21Athletic Club - Real Unión ClubAthletic Club - Real Unión ClubAthletic Club11Real Unión ClubNaN' AcedoRené Petit NaN' Sunday 30/01/1921 15:30LocationSan Mamés , BilboLine-upsAthletic ClubReal Unión ClubStarting XIRivero, FHurtadoMarinoBelauste, PBelauste, JMSabinoLacaAcedoPichichiSalaberri G.GermánSubstitutesHead coachWilliam BarnesHomeAthletic ClubStarting XIRivero, FHurtadoMarinoBelauste, PBelauste, JMSabinoLacaAcedoPichichiSalaberri G.GermánSubstitutesHead coachWilliam BarnesAwayReal Unión ClubStarting XIMuguruzaGaztañagaAnatolHonorioRené PetitGamborenaEchevesteAmannSistiagaMatíasJaureguiSubstitutesHead coachMatch officialsIbarreche Arámburu CecilioRefereeBizkaia