Chelsea's Serbian midfielder Nemanja Matic (L) vies with Watford's Yugoslavian-born Swiss midfielder Almen Abdi (R) during the English Premier League football match between Chelsea and Watford at Stamford Bridge in London on December 26, 2015. AFP PHOTO / OLLY GREENWOOD 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. / AFP / OLLY GREENWOOD (Photo credit should read OLLY GREENWOOD/AFP via Getty Images)
