Valencia travelled to Rayo Vallecano on Sunday knowing that victory would move them above Real Sociedad into fourth position in the league table.
The away side entered the interval with a two-goal lead, courtesy of a double from their top scorer Roberto Soldado.
Rayo started the second half full of intent, but it was Valencia that scored their third after 62 minutes when Andres Guardado tapped home from close range, before Nelson Valdez made it four in stoppage time.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
RAYO: Ruben; Casado, Arbilla, Figueras, Amat; Fuego, Trashorras, Piti, Carlos; Dominguez, Delibasic
VALENCIA: Guaita; Pereira, R Costa, Mathieu, Guardado; Albelda, Banega, Parejo; Feghouli, Soldado, Piatti