Athletic Club suffered a narrow 3-2 defeat to Sporting CP in a thrilling UEFA Champions League group stage encounter at San Mamés on January 29, 2026. The match result was a significant blow for the Basque side's hopes of progressing in the competition, as Sporting CP secured a vital away win with a late goal. The visitors took an early lead, but Athletic Club fought back to level the score before halftime. The second half was an end-to-end affair, with Sporting CP retaking the lead, only for Athletic to equalize once more through a determined team move. The decisive moment came in the final ten minutes, as Sporting CP capitalized on a defensive error to score the winner. The match was a showcase of attacking intent from both sides, with the goalkeepers making several key saves to keep the scoreline close. The defeat left Athletic Club needing results elsewhere to have any chance of advancing, while the three points were crucial for Sporting CP's qualification prospects.