In an intense matchup at the El Sadar, CA Osasuna suffered a narrow 2-1 defeat to RCD Espanyol de Barcelona in La Liga, dealing a significant blow to their European aspirations. Espanyol took advantage of an early goal from Sergi Darder (14') and a late strike from Álex Collado (88'), while Osasuna pulled one back through a Juan Cruz de los Santos goal in the second half. The loss pushes Osasuna further down the table, while Espanyol climb up to sixth place.