Athletic Bilbao had already faced Atletico and Madrid this week and looked spent vs. Barca. Then Iker Muniain carried them to an unforgettable win.
Holders Barcelona were knocked out of the Copa del Rey after suffering a 3-2 defeat in extra-time at Athletic Bilbao in the last 16 on Thursday.
Real Madrid won the Spanish Supercopa with a comfortable 2-0 victory over Athletic Bilbao in the final in Riyadh, Saudi Arabia on Sunday.
Real Madrid manager Carlo Ancelotti defended the hosting of the Spanish Supercopa in Saudi Arabia on Saturday.
Athletic Club's remarkable brothers, Inaki and Nico Williams, have a remarkable story and together, they've put their team in the Supercopa final.
Athletic Bilbao's Nico Williams struck late in the second half to give the Spanish Super Cup holders a 2-1 come-from-behind win over LaLiga champion
Real Madrid rode a pair of Karim Benzema goals to a win over Athletic Bilbao as LaLiga closed out play for 2021 on Wednesday night.
Real Madrid, Barcelona and Athletic Bilbao have sued LaLiga, branding the Spanish league's agreement with the investment fund CVC as "illegal."
LaLiga clubs have again voted in favour of the league's €2 billion deal with CVC despite opposition from Real Madrid, Barcelona and Athletic Bilbao.
Karim Benzema scored his 12th league goal of the season as Real Madrid beat Athletic Bilbao in a narrow 1-0 win at the Bernabeu.