Chelsea's Brazilian-born Spanish striker Diego Costa (L) celebrates after scoring his team's first goal during the English Premier League football match between Chelsea and Norwich City at Stamford Bridge in London on November 21, 2015. AFP PHOTO / JUSTIN TALLIS RESTRICTED TO EDITORIAL USE. No use with unauthorized audio, video, data, fixture lists, club/league logos or 'live' services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)
