That means Lucas Leiva continues at centre-back, alongside Mamadou Sakho.
Adam Bogdan is named on the bench, possibly rewarding him for his exploits in getting the Reds to the final with his penalty saves against Carlisle in the third round.
Jon Flanagan is also on the bench, along with Joe Allen and Adam Lallana returning from injury.
Kick off at Wembley is 4.30pm GMT.
Liverpool: Mignolet, Clyne, Lucas, Sakho, Moreno, Can, Henderson, Milner, Firmino, Coutinho, Sturridge
Subs: Bogdan, Toure, Benteke, Lallana, Allen, Origi, Flanagan.
Man City: Caballero, Sagna, Kompany, Otamendi, Clichy, Fernando, Fernandinho, Toure, Silva, Sterling, Aguero.
Subs: Hart, Kolarov, Zabaleta, Demichelis, Navas, Iheanacho, Bony.