LONDON, ENGLAND - MAY 27: Diego Costa of Chelsea is tackled by Per Mertesacker of Arsenal during The Emirates FA Cup Final between Arsenal and Chelsea at Wembley Stadium on May 27, 2017 in London, England. (Photo by Ian Walton/Getty Images)
LONDON, ENGLAND - MAY 27: Diego Costa of Chelsea is tackled by Per Mertesacker of Arsenal during The Emirates FA Cup Final between Arsenal and Chelsea at Wembley Stadium on May 27, 2017 in London, England. (Photo by Ian Walton/Getty Images)