Andres Iniesta was back in training with his Barcelona team-mates on Wednesday after missing the Catalan derby against Espanyol at the weekend.
A right adductor injury ruled Iniesta out of LaLiga action last Saturday, though his team-mates still picked up a 3-0 win against their neighbours in his absence.
Barca were granted two days off following that fixture and Iniesta's return will be a boost ahead of Villarreal's visit to Camp Nou on Saturday.
Luis Enrique's side sit top of LaLiga but are only above Real Madrid, who possess a game in hand, due to their superior head-to-head record.
Barca travel to Las Palmas before entertaining Eibar on the final day, while Madrid still have trips to Granada, Celta Vigo and Malaga to negotiate as well as a home match against fourth-placed Sevilla.
FC Barcelona return to training as preparations for Villarreal match begin: May 3, 2017
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