Keown convinced Ozil transforms Arsenal into title challengers
He told the Daily Mail: "People shouldn't underestimate the effect of a big-name player arriving at a club. Everybody will be buzzing that a player of that calibre is now in their midst. Everyone raises their game.
"It was the same for us when Dennis Bergkamp arrived. It's interesting that Ozil said he has come to work with Arsene Wenger. It's a reminder to the fans just how revered Wenger is."
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