Osasuna delivered a stunning performance against La Liga leaders Barcelona, winning 4-2 and ending the Catalans' unbeaten start to the season. Bryan Zaragoza played a crucial role, assisting Ante Budimir's opening goal and scoring a second before halftime. Despite a brief comeback from Barcelona, with Pau Victor cutting the deficit, Budimir restored Osasuna's advantage with a penalty. Abel Bretones then added a remarkable long-range goal, sealing the victory for the hosts. Barcelona's Lamine Yamal struck late to provide a consolation, but they were unable to recover from their earlier deficits. The result leaves Barcelona with 21 points at the top, while Osasuna climbs to sixth place with their fourth win of the season.