Ozil and Sanchez have 15 months left on their contracts and Wenger confirmed talks over new deals have been postponed until the summer.
Arsenal fans display banners calling for Arsene Wenger's exit
Sat, March 18, 2017
Arsenal fans raised banners calling for Arsene Wenger's exit after the Gunners lost 3-1 to West Bromwich Albion
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Arsenal fans raised banners calling for Arsene Wenger's exit at The Hawthorns
Arsenal stars Mesut Ozil and Alexis Sanchez
But Arsenal appear to be heading towards the loss of their two most influential players.
And Monreal says the situation has caused uncertainty around the club.
Arsenal boss Arsene Wenger
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He told Goal.com: ”For Arsenal as a team and as a club, ideally everyone should continue.
“But today these are the circumstances: the coach finishes his contract and has not yet communicated whether he continues or not, then there are two important players like Alexis and Mesut who finish their contracts next season and they are waiting for the coach to follow.
"It is a situation of uncertainty, and that does not help. But it is not in our hands either.”