Javier Mascherano has been passed fit for Barcelona ahead of their Champions League trip to Olympiacos on Tuesday night.
The Argentine replaces the suspended Gerard Pique in defence, while Jordi Alba comes in at the expense of Lucas Digne.
Nelson Semedo starts at right-back and Denis Suarez gets the nod in attack, with Andres Iniesta and Gerard Deulofeu replaced.
Takis Lemonis, meanwhile, makes four changes to his side from the reverse fixture at Camp Nou.
Bjorn Engels, Diego Figueras, Panagiotis Tachtsidis and Kostas Fortounis replace Dimitris Nikolaou, Thanasis Androutsos, Sasa Zdjelar and Guillaume Gillet.
Olympiacos: Proto; Elabdellaoui, Botia, Engels, Koutris; Tachtsidis, Romao, Odjidja; Carcela-Gonzalez, Figueiras, Fortounis
Subs: Djurdjevic, Marin, Gillet, Vukovic, Kapino, Androutsos, Pardo
Barcelona: Ter Stegen; Semedo, Mascherano, Umtiti, Alba; Busquets, Paulinho, Sergi Roberto; Messi, L Suarez, D Suarez
Subs: Cillessen, Rakitic, Deulofeu, Alcácer, Digne, Gomes, Vermaelen
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