FC Bayern Muenchen v Arsenal FC - UEFA Champions League Round of 16: First Leg [Getty Images]

MUNICH, BAVARIA - FEBRUARY 15: The ball hits the hand of Shkodran Mustafi of Arsenal as he competes with Robert Lewandowski of Bayern Munich during the UEFA Champions League Round of 16 first leg match between FC Bayern Muenchen and Arsenal FC at Allianz Arena on February 15, 2017 in Munich, Germany. (Photo by Chris Brunskill Ltd/Getty Images)

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