"At the moment Thomas Vermaelen is here, he is injured at the moment with a short-term injury but it could happen," Wenger said.
"Yes, it is a possibility that he goes.
"If he goes we have to replace him because he is an important player in our squad.
"I expect him to stay but of course he has not played enough games last year.
"For me he is a very important player but I couldn't give him the games that he wanted last year so we'll see."
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