Miguel Angel Angulo's beautiful goal gave Valencia a crucial 1-0 win away at Real Zaragoza.
The Che begun the day in ninth position, but secured all three points against their fourth-placed opponents when Angulo struck three minutes before half-time.
The Valencia star took stock from all of 30 yards and floated a stunning shot past Cesar to give his side the win that takes them up to fifth place.
Athletic Bilbao moved four points clear of the relegation zone following a 2-0 win away at Deportivo la Coruna.
The Basque side triumphed thanks to a brace from Javier Martinez, with the Bilbao man scoring on 8 and 88 minutes.
Sandwiched in between the two goals was a dismissal for Deportivo's Delgado Juanma who received his second yellow card with seven minutes to go.
Racing Santander moved up three places to 12th thanks to a 2-1 win at Real Mallorca.
The Balearic Islanders had taken the lead through Bosko Jankovic (17), but Santander struck back and took all three points through goals from Ruben (64) and Javier Balboa (88).