Mathieu Flamini remonstrates with Arsenal team-mates Mesut Ozil [PA]
Ozil clashed with Mathieu Flamini during Arsenal's 2-0 defeat to Bayern Munich last night.
And after watching the German miss a penalty and face criticism over his work-rate, Ballack claimed £42.5million signing Ozil is looking LOST in Arsene Wenger's side.
Per Mertesacker points the finger at Ozil at the Etihad [GETTY]
"He looks a bit lost in this team," Ballack said. "When he came here there was so much expectation with the quality he has. The first games he looked good, played well and was comfortable.
"With his quality he should be untouchable and bring out so much in the team. But it looks like he has not [got] the acceptance of the team."
Ozil was also involved in a heated exchange with Per Mertesacker after Arsenal's 6-3 loss at Manchester City earlier in the season.
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