Rosicky may return in six or seven weeks
The midfielder has been out of action for over a year with a long-standing hamstring problem, but has given the Gunners's medical staff reasons to be cheerful this week by working with a ball again in training.
"He is working on the pitch," Wenger told the club's official website. "He has touched the ball for the first time this week and we are quite positive about him, maybe more than he is.
"He could be the good surprise of the season because in six or seven weeks he has a chance to be back."
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