Chelsea's Brazilian midfielder Willian (C) celebrates with Chelsea's Brazilian-born Spanish striker Diego Costa (L) and Chelsea's Belgian midfielder Eden Hazard (R) after Willian scored their second goal during the UEFA Champions League Group G football match between Chelsea and Porto at Stamford Bridge in London on December 9, 2015. AFP PHOTO / GLYN KIRK / AFP / GLYN KIRK (Photo credit should read GLYN KIRK/AFP/Getty Images)
