However Barcelona scored nearly immediately, as Paco Alcacer restored their two-goal advantage when Paco Alcacer netted just his fourth goal of the season, with a well-taken left footed strike into the bottom corner.
Jose clipped an angled pass across to Prieto who had ghosted into the right side of the penalty area and dispatched a cool sidefoot finish into the bottom corner.
Catalan giants Barcelona are preparing for a huge summer of business as they try to address this season's inconsistent form, according to reports in Spain.
Luis Enrique opted for a change on 70 minutes as Andre Gomes made way for Andres Iniesta.
In stoppage time, Rulli denied Suarez in a one-on-one as Barcelona put themselves back into a winning mindset ahead of next week's key matches.