Per Mertesacker believes Arsenal boss Arsene Wenger can get the best out of his international team mate Mesut Ozil.
Arsenal smashed their transfer record on deadline day with the £42.4m signing of the German international Ozil.
The transfer has since sent shock waves around the footballing world with many of his Real Madrid team mates expressing their surprise that he was allowed to leave the Bernabeu.
And Mertesacker knows what a coup it was for the Gunners having spent two years playing with Ozil whilst at Werder Bremen.
Arsenal's big German defender also believes that Ozil's style of play will help Wenger to get the best out of him.
Speaking to reporters after Germany's win over Austria, he said: "I know him quite well.
"We spent two years together at Werder Bremen so I think that Arsene Wenger will get the best out of him.
"I think he will fit in. He suits us and we're really looking forward to playing with him and to be his team mate"
The signing of Ozil has brought much joy to the Emirates but some are questioning the motives of Wenger's mega-money move.
With so many creative players already in the squad, and other areas looking weak, some are worried this signing has left them with an abundance of playmakers but no strikers.
However, Mertesacker believes a player like Ozil is much needed for Arsenal and is sure the 24-year-old will give them an extra edge in attack.
"We lost a lot [of players] due to injury, especially in pre-season. We need players in every position - maybe two or three players, they can rotate and change position.
We need to be dangerous up front and with him we are more dangerous."
Mertesacker also stated that the players were always confident that Wenger would come good in the transfer market and doesn't believe the way Ozil was pushed out the door has affected his confidence.
"We were patient all the time on the transfer market. Mr Wenger said always that he was on the market but nothing happened.
"I could feel that something happened at the end of the transfer window. So I really appreciate that transfer.
On Ozil, he added: "He went through rough times as well so his experience is vital and can make the difference."
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