Rui Vitória has named a 21-man preliminary squad for Matchweek 16 of the Liga NOS. Júlio César and Eduardo Salvio are both included after recovering from their respective shoulder injuries.
Ljubomir Fejsa, Luisão, Victor Lindelöf and Franco Cervi all return after being rested against Vizela, but Raúl Jiménez is still absent with a groin strain. Álex Grimaldo (abdomen) and Eliseu (thigh) remain in the treatment room, where they have been joined by Guillermo Celis (knee).
Saturday's game at the Estádio D. Afonso Henriques kicks off at 18:15 local time.
Goalkeepers: Ederson and Júlio César
Defenders: Lisandro, Luisão, Lindelöf, Jardel, André Almeida and Nélson Semedo
Midfielders: Fejsa, Samaris, André Horta, Carrillo, Zivkovic, Salvio, Pizzi, Cervi, Rafa Silva and Danilo
Forwards: Jonas, Mitroglou and Gonçalo Guedes