Quique Setien published his squad list for the clash with Atletico Madrid at Camp Nou. Sergi Roberto is back from injury, while Frenkie de Jong and Ousmane Dembele are out injured.
Arthur Melo, who on Sunday signed for Juventus, is in the list despite his intense last few hours. He will stay at the club until the end of the season.
As well as Ansu Fati and Inaki Pena, he has also called up Collado, Araujo and Monchu from the B team.
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This is the completed squad list: Ter Stegen, Neto, Iñaki Peña, Semedo, Sergi Roberto, Lenglet, Piqué, Umtiti, Araujo, Jordi Alba, Junior Firpo, Busquets, Rakitic, Arturo Vidal, Arthur, Collado, Monchu, Riqui Puig, Griezmann, Messi, Luis Suárez, Braithwaite and Ansu Fati.