Huge Arsenal boost as Wenger confirms return of key Gunners star

Arsene Wenger has lauded the return of club Captain Per Mertesacker after the former Germany international underwent knee surgery. 

The 32-year-old suffered a cruciate knee ligament injury during pre-season and returned to his native Germany for an operation. 

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Mertesacker is now back at the north London club’s training base where he is stepping up his rehabilitation. 

And although he is still unlikely to make an immediate first team return, Wenger believes Mertesacker’s mere presence will have a significant impact on his squad. 

"We’ve had a welcome addition to the squad recently – Per Mertesacker has returned from a treatment break in Germany,’ said Wenger. 

"You know Per is a leader in the group, on a mental front as well. That’s the only attribute he can use at the moment but he’s an important part of the dressing room. 

"He gets everybody focused and I’m sure I can rely on his help to keep the team highly motivated.’