Leaders Real Madrid stung at Osasuna, Atletico back on track
Champions Barcelona trail Madrid by two points but can overtake them on Sunday if they beat Levante at Camp Nou.
Elsewhere, Atletico Madrid, fourth, got back to winning ways with an entertaining 4-2 victory over Espanyol.
Alvaro Arbeloa's Real Madrid put on a below-par performance in Pamplona and fell behind to an Ante Budimir penalty, before Vinicius Junior pulled the visitors level.
The second leg of Madrid's Champions League play-off against Jose Mourinho's Benfica on Wednesday seemed to play...