Fernández, who was Chelsea's most expensive signing in the 2022/23 transfer window, has been a key player for the club since his arrival in January 2023. He has made 170 appearances for Chelsea, scoring 31 goals and providing 29 assists. The midfielder won a Conference League and a Copa do Mundo de Clubes with the club.

Manchester City has invested over £500m in this summer's transfer window, with Fernández being the most significant signing. The club has also brought in Elliot Anderson, Bouaddi, Ndiaye, Allan, Detourbet, Monga, and Pierce Charles.