The Spanish left-back has not played much for Guardiola since his 2022 arrival. The 23-year-old played five times in last years run to the final, although did not feature after the 7-0 drubbing of RB Leipzig in the Round of 16.
Meanwhile, Matheus Nunes makes his first start for City. The deadline day signing came on for his debut at West Ham in Saturdays 3-1 win and Guardiola has given him the nod again.
Explaining the inclusion of Gomez, Guardiola said: He [Gomez] can play as a full back or as a winger, he can play in several positions. In attack we need a player who can do that and he trains very well. Hes a lovely lovely guy.
When asked what he tasked Nunes with doing during the match, Guardiola replied: Be himself. In the end we ask of him something that hes used to so he can do it. With his runners and when he arrives to the box The best way to see how he develops is to play.
City are without four players for the fixture. Kevin De Bruyne is a long-term absentee while John Stones is not yet ready to return from his knock.