Basques sent four unanswered goals into the opponent's goal.
Athletic received Betis at home in the tenth round of the Spanish Championship and achieved a crushing victory.
Basques hit the opponent's goal twice in the first half of the game, and in the second they secured the advantage by.
Athletic - Betis 4: 0 Goals: Ruiz, 9 (own goal), Capa, 33, Munianin, 59, Berenguer, 68 Athletic: Simon - Bercice (Balenciaga, 88), Yerai, Capa, Martinez - Vesga, Vensedor, -.
Betis: Bravo - Emerson, Moreno, Sydney, Ruiz - Joaquin (Laines, 71), Rodriguez, Tello (Iglesias, 62), William Carvalho (Moron, 61), Rodri (Ruibal, 84) - Sanabria (Guardado, 62).