Mesut Ozil is yet to agree a new deal with Arsenal despite months of talks
Meust Ozil has been locked in contract talks with Arsenal for months but is yet to reach an agreement with the north London club.
The German international and team-mate Alexis Sanchez are both yet to pledge their long-term futures to the Gunners.
And with just one year remaining on his contract in the summer, Michael Ballack believes Ozil's stalling is linked to the uncertainty surrounding Arsene Wenger's future.
Mesut Ozil's future reportedly hinges on Arsene Wenger's
"It is difficult to say really [if he should stay at Arsenal]," Ballack told Sky Sports.
"A player like him, who has played for Real Madrid and now Arsenal and who knows the Premier League and La Liga, he has his own feeling and experience.
"And there are not many clubs where he can go now and who can afford him. I think he needs to feel comfortable with the decision that he makes.
"But it also depends on what Arsene Wenger does and they have a good relationship and maybe that is why he is waiting a bit."
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Wenger confirmed last week contract talks with Ozil and Sanchez are on hold until the end of the season with an agreement some way off.
“At the moment we have not got an agreement,” Wenger told broadcaster beIN Sports .
“We have decided to focus on the end of the season and talk about it in the summer.
"It is the same situation with Özil because once you don’t find an agreement and it [the negotiation] lasts, it is not good so it is better you get it out and sit down in the summer.”