Leganes 1-2 Valencia
Valencia claimed their first win of the campaign, after coming from behind to defeat Leganes 2-1 on Sunday.
Alexander Szymanowski put the hosts in front after 21 minutes, but Nani leveled matters with his first La Liga goal in the 24th minute.
The former Manchester United winger then set up Mario Suarez to score the winning goal after 52 minutes.
Villarreal 3-1 Osasuna
Villarreal moved into the top four after securing a 3-1 win over Osasuna on Sunday evening.
First-half goals from Alexandre Pato, Bruno and Nicola Sanson handed the Yellow Submarine a three-goal lead. Roberto Torres netted a consolation for the visitors.
Espanyol 0-0 Celta Vigo
Espanyol and Celta Vigo earned a share of the spoils, after the two sides played out a goalless draw at the RCDE Stadium on Sunday night.