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LONDON, ENGLAND - JULY 25: Arsenal manager Arsene Wenger with substitute Jeff Reine-Adelaide during the match between Arsenal and Olympique Lyonnais at Emirates Stadium on July 25, 2015 in London, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)

LONDON, ENGLAND - JULY 25: Arsenal manager Arsene Wenger with substitute Jeff Reine-Adelaide during the match between Arsenal and Olympique Lyonnais at Emirates Stadium on July 25, 2015 in London, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)