Chelsea's Italian head coach Antonio Conte (R) reacts as he congratulates Chelsea's Brazilian-born Spanish striker Diego Costa following the English Premier League football match between Middlesbrough and Cheslea at Riverside Stadium in Middlesbrough, northeast England on November 20, 2016.
Chelsea won the match 1-0. / AFP / Lindsey PARNABY / 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 LINDSEY PARNABY/AFP/Getty Images)