Summer signing Joseba Llorente netted the only goal of the game in the seventh minute as promoted Sociedad followed up their victories over Deportivo La Coruna and Malaga with another three-point haul.

Llorente, who joined Sociedad from Villarreal during pre-season, had scored in both the victories over Depor and Malaga.

Javi Marquez scored in the second minute to leave Espanyol fourth in the table with a 1-0 win over strugglers Malaga.