SportgalleryChelsea vs Porto in picturesBookmarkShareSportByMSP GetWestLondon19:37, 9 DEC 2015Updated09:09, 11 DEC 2015Chelsea players celebrate (Image: Getty)1 of 18Fans wait for kick off (Image: GLYN KIRK/AFP/Getty Images)2 of 18Stamford Bridge (Image: Getty)3 of 18Chelsea's English defender John Terry warms up (Image: GLYN KIRK/AFP/Getty Images)4 of 18Chelsea's Belgian midfielder Eden Hazard warms up before kick off (Image: GLYN KIRK/AFP/Getty Images)5 of 18Chelsea players warm up prior to the UEFA Champions League Group G match (Image: Clive Rose/Getty Images)6 of 18Jose Mourinho, manager of Chelsea looks on (Image: Clive Mason/Getty Images)7 of 18Chelsea's striker Diego Costa shoots (Image: BEN STANSALL/AFP/Getty Images)8 of 18The ball ricochets into the goal off Ivan Marcano (L) after Iker Casillas saved a shot from Diego Costa for an own goal (Image: GLYN KIRK/AFP/Getty Images)9 of 18Diego Costa of Chelsea makes a point (Image: Clive Rose/Getty Images)10 of 18Cesar Azpilicueta in action for Chelsea (Image: Getty Images)11 of 18Chelsea's Portuguese manager Jose Mourinho (Image: BEN STANSALL/AFP/Getty Images)12 of 18Diego Costa celebrates (Image: Getty Images)13 of 18Eden Hazard and Branislav Ivanovic celebrate with Diego Costa (Image: BEN STANSALL/AFP/Getty Images)14 of 18Diego Costa of Chelsea argues with Iker Casillas (Image: Clive Rose/Getty Images)15 of 18Chelsea's Brazilian midfielder Willian celebrates scoring their second goal (Image: BEN STANSALL/AFP/Getty Images)16 of 18Chelsea's Brazilian midfielder Willian celebrates (Image: BEN STANSALL/AFP/Getty Images)17 of 18Oscar in action for Chelsea (Image: Getty Images)18 of 18