Unai Emery Urges Arsenal's Mesut Ozil to Step Up Defensively Ahead of Chelsea Clash

​Arsenal boss Unai Emery has demanded an increased defensive awareness from Mesut Ozil as he encouraged the midfielder to take greater responsibility in tracking back this season.  Ozil, 29, has often been on the receiving end of criticism for his lack of effort off the ball, and a poor performance in the Gunners' opening day defeat to Manchester City has once again opened the midfielder up to criticism after going missing in another big game.  The ​Arsenal manager has called for more... Via All the latest breaking football news, transfer rumours, analysis, and match reports - 90min http://www.90min.com/