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WOLFSBURG, GERMANY - DECEMBER 07: Manchester United players warm up during a Manchester United training session prior to the UEFA Champions League match against VfL Wolfsburg at Volkswagen Arena on December 7, 2015 in Wolfsburg, Germany. (Photo by Martin Rose/Bongarts/Getty Images)

WOLFSBURG, GERMANY - DECEMBER 07: Manchester United players warm up during a Manchester United training session prior to the UEFA Champions League match against VfL Wolfsburg at Volkswagen Arena on December 7, 2015 in Wolfsburg, Germany.  (Photo by Martin Rose/Bongarts/Getty Images)