Apart from Pau Cubarsí, who will play wearing a special protective mask, Barça still have doubts about Dani Olmo, who was unable to take part in Saturday's session after a bad night with general discomfort, and Lamine Yamal, who trained separately from the group.
Below, we show you the probable starting line-up, the bench and the injured and suspended players for Hansi Flick's Barcelona for this Sunday's match against Real Sociedad:
FC Barcelona XI: Iñaki Peña; Koundé, Inigo Martínez, Pau Cubarsí, Alejandro Balde; Marc Casadó, Pedri, Fermín López; Lamine Yamal, Robert Lewandowski and Raphinha.
FC Barcelona bench: Szczesny (P), Gavi, Ansu Fati, Pablo Torre, Pau Victor, Dani Olmo, Frenkie De Jong, Astralaga, Hector Fort, Gerard Martin, S. Dominguez.
Barca arrive at Anoeta with the injured Eric Garcia, Ferran Torres, Ronald Araujo, Christensen, Ter Stegen and Marc Bernal.
Real Sociedad's probable lineup
Real Sociedad XI: Remiro; Aramburu, Zubeldia, Jon Pacheco, Javi Lopez; Zubimendi, Sucic, Brais Mendez, Takefusa Kubo, Sergio Gomez; and Mikel Oyarzabal.