Chelsea's Brazilian-born Spanish striker Diego Costa (centre L) celebrates scoring his team's second goal during the English Premier League football match between West Ham United and Cheslsea at The London Stadium in east London on March 6, 2017.
Chelsea won the match 2-1. / AFP PHOTO / Adrian DENNIS / 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 ADRIAN DENNIS/AFP/Getty Images)