Real Sociedad's charge near the top of La Liga was stunted by a goalless draw on Sunday at Real Valladolid.
Real Betis' improving form continued after a 3-2 win over Athletic Bilbao at the Estadio Benito Villamarin, as Joaquin scored a hat-trick.
Osasuna held 10-man Sevilla to a 1-1 draw, with Julen Lopetegui's team consolidating third.
Elsewhere, Leganes climbed off the bottom after earning a rare 3-2 victory over Celta Vigo, and Getafe beat Eibar 1-0 on the road.
Sunday's Results
Eibar 0-1 Getafe
Real Betis 3-2 Athletic Club
Valladolid 0-0 Sociedad
Leganes 3-2 Celta
Osasuna 1-1 Sevilla
La Liga Table (Played, Goal Difference, Points)
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