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Alexis Sanchez celebrates scoring for Arsenal
Arsenal can knock Bayern Munich out of the Champions League if they forget about the past and truly BELIEVE they can do it, Michael Ballack has told talkSPORT.
The Gunners take on the Bundesliga champions at the Allianz Arena on Wednesday night in the first leg of their last 16 tie.
Bayern have eliminated Arsenal from the competition twice in the past four seasons, and are big favourites to win their latest meeting.