Las Palmas' impressive start to the campaign hit the skids in San Sebastian as they were torn apart 4-1 by Real Sociedad.
Alex Alegria scored twice as Real Betis came from 2-0 down to draw 2-2 with 10-man Granada in La Liga on Friday.
Valencia's wretched start to the campaign continued as they suffered a third straight La Liga defeat at home to Real Betis.
Jon Driscoll and Terry Gibson return for an in-depth take on all the action and major talking points in La Liga.
Sevilla and Villarreal played out a goalless draw on Sunday, while Las Palmas hit five past Granada to go top of the La Liga table.
Manchester United midfielder Andreas Pereira will spend the season on loan with Granada in La Liga.
Sevilla twice recovered from going a goal down to secure a 6-4 home defeat of Espanyol in coach Jorge Sampaoli's first league fixture in charge.
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