On April 21, 2026, Athletic Club edged past CA Osasuna 1–0 in a tightly contested La Liga encounter at a packed San Mamés Stadium. The Basque side relied on an early breakthrough and a standout performance from goalkeeper Unai Simón to secure all three points in a match defined by defensive resilience and key VAR interventions.
Athletic Club made the breakthrough in the 16th minute after a well-worked attacking sequence. A throw-in caught Osasuna off guard, allowing Nico Williams to drive into space before the move broke down in the box. The loose ball fell kindly, and Gorka Guruzeta reacted quickest to slot home from close range, giving the hosts an early advantage they would not surrender.
Confidently by the early goal and vocal home support, Athletic controlled much of the first half. They nearly doubled their lead when Guruzeta set up Álex Berenguer, who fired narrowly wide from a promising position. Osasuna struggled to create clear chances, with Athletic’s back line holding firm and limiting Ante Budimir’s influence in the box.
The second half shifted momentum slightly in favour of the visitors after VAR awarded Osasuna a penalty following a handball by Yeray. However, Unai Simón produced a crucial save to deny Budimir, preserving Athletic’s slender lead and electrifying the home crowd. That moment was crucial, as Osasuna grew into the game but lacked cutting edge in the final third.
Osasuna pushed forward in the closing stages, increasing possession and territory, but Athletic’s defensive structure, anchored by Simón’s commanding presence, held strong. Despite sustained pressure, the visitors could not find an equalizer, and Athletic Club saw out the match with disciplined game management.