Cherki has been identified as a potential successor to Kevin de Bruyne, a key player for the team.
Viana expressed confidence in Cherki's abilities but acknowledged that adapting to the Premier League will be a challenge.
He noted that this season will be crucial for Cherki's development and growth as a player.
Viana stated that Cherki has the qualities to become a key player and eventually take on a more prominent role in the team, potentially replacing established players like Ilkay Gundogan and Kevin de Bruyne.