The duo are out of contract at the end of the 2017/18 season which means Arsenal are set to lose both of them for nothing.
The Gunners boss recently admitted it was “possible” that both of his stars could leave the club in the New Year, with Arsenal prepared to cash-in whilst they still can.
As reported by BBC Sport, when asked whether he believes the duo will stay, Wenger responded: “Yes, of course.”
The Frenchman also said it is in England midfielder Jack Wilshere’s “best interest” to remain with the Gunners.
He added: “I will absolutely fight for him to stay here because he’s a top-quality player.”
Keeping hold of both Ozil and Sanchez also means Arsenal will have no influence in where their next move is. Manchester United have been closely linked with Ozil, while Sanchez has already come close to a move to Manchester City.
Gooners, do you trust Wenger this time around? Let us know in the comments…