Southampton's English defender Jack Stephens (L) vies with Chelsea's Brazilian-born Spanish striker Diego Costa during the English Premier League football match between Chelsea and Southampton at Stamford Bridge in London on April 25, 2017. / AFP PHOTO / Glyn KIRK / 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 GLYN KIRK/AFP/Getty Images)