Saura (p.), Mortimer 1910[99] 20/03/1910 (Group) Vasconia SC Athletic Bilbao 0–1[lower-alpha 2] – Iza (56) 1923[100] 22/04/1923 (SF L1) Real Sociedad Athletic Bilbao 0–0 – – 29/04/1923 (SF L2) Athletic Bilbao Real Sociedad 2–0[lower-alpha 3] Germán (18), Carmelo (44) – 1930[101][102] 20/04/1930 (R16 L1) Athletic Bilbao Real Sociedad 4–1 Chirri II (4), Gorostiza (32), Iraragorri (49), Unamuno (52) Cholín (2) 27/04/1930 (R16 L2) Real Sociedad Athletic Bilbao 1–1[lower-alpha 4] Marculeta (52) Gorostiza (25) 1960–61[103][104] 21/05/1961 (R16 L1) Athletic Bilbao Real Sociedad 3–1 Areta III (56, 75), Merodio (64) Echarri (36) 28/05/1961 (R16 L2) Real Sociedad Athletic Bilbao 1–2 Ribera 45' Arieta I (24, 84) 1971–72[105][106] 18/06/1972 (QF L1) Real Sociedad Athletic Bilbao 1–1 Urreisti 59' Rojo I (90) 24/06/1972 (QF L2) Athletic Bilbao Real Sociedad 2–0 Guisasola (22), Carlos (83) – 1974–75[107][108] 08/06/1975 (QF L1) Real Sociedad Athletic Bilbao 3–1 Murillo I (10, 57), Idígoras (17) Amorrortu (23) 15/06/1975 (QF L2) Athletic Bilbao Real Sociedad 3–1[lower-alpha 5] Villar (38), Carlos (50), Dani (72) Gaztelu (39) 1981–82[109][110] 03/02/1982 (QF L1) Athletic Bilbao Real Sociedad 1–0 Dani (29) – 17/02/1982 (QF L2) Real Sociedad Athletic Bilbao 3–2[lower-alpha 6] Kortabarria (p.