Philipp Lahm has revealed a dressing room split at Bayern Munich
The Gunners travel to face Bayern Munich in the first-leg of their Champions League round of 16 clash next Wednesday.
But despite having a four-point advantage at the top of the Bundesliga table, Bayern are embroiled in a bitter dressing-room split.
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We don't know why part of the team does not see the problem
Bayern Munich skipper Philipp Lahm
Skipper Philipp Lahm, who announced his retirement yesterday, revealed the German champions are divided.
The Sun newspaper claim their German contingent are furious with their foreign colleagues for not caring enough.
Lahm said: "We know what must improve on the pitch and in the dressing room.
Bayern Munich skipper Philipp Lahm announced his retirement yesterday
Arsenal manager Arsene Wenger and Alexis Sanchez in training
"We don't know why part of the team does not see the problem.
"I know, of course, why we do not have the results we want. But I'll not say it publicly."
Boss Carlo Ancelotti added: "The self-criticism of the players has been positive and they have understood what we needed to do.
"It was not a problem of quality — rather of sacrifice. But we must work better together."