Chelsea's Belgian midfielder Eden Hazard (C) and Chelsea's Serbian defender Branislav Ivanovic (R) celebrate with Chelsea's Brazilian-born Spanish striker Diego Costa (L) after his shot rebounded into the goal for an own goal off Porto's Spanish defender Ivan Marcano during the UEFA Champions League Group G football match between Chelsea and Porto at Stamford Bridge in London on December 9, 2015. AFP PHOTO / BEN STANSALL / AFP / BEN STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)
