Gent's players celebrate victory over Valencia after their Champions League Group H soccer match at Ghelamco Arena in Ghent, Belgium, November 4, 2015 (Reuters)
Zenit St. Petersburg's team celebrate after winning their Champions League Group H soccer match against Olympique Lyon in Lyon, France, November 4, 2015 (Reuters)
Olympiakos' Pajtim Kasami (C) celebrates with his teammate Roberto after their victory against Dinamo Zagreb in their Champions League group F soccer match at the Karaiskakis stadium in Piraeus, Greece, November 4, 2015 (Reuters)
Olympiakos' Luka Milivojevic and Dinamo Zagreb's players jump for the ball during their Champions League group F soccer match at the Karaiskakis stadium in Piraeus, Greece, November 4, 2015 (Reuters)
Chelsea's Brazilian midfielder Willian (L) celebrates with Chelsea's Brazilian-born Spanish striker Diego Costa after scoring from a free kick during a UEFA Chamions league group stage football match between Chelsea and Dynamo Kiev at Stamford Bridge stadium in west London on November 4, 2015 (AFP)
Chelsea's Brazilian midfielder Willian (L) celebrates with Chelsea's Brazilian-born Spanish striker Diego Costa after scoring from a free kick during a UEFA Chamions league group stage football match between Chelsea and Dynamo Kiev at Stamford Bridge stadium in west London on November 4, 2015 (AFP)
Roma's midfielder from Bosnia-Herzegovina Miralem Pjanic (hidden) celebrates with teammates after scoring a penalty during the UEFA Champions League football match AS Roma vs Bayer Leverkusen on November 4, 2015 at the Olympic stadium in Rome (AFP)
AS Roma's Mohamed Salah (R) challenges Leverkusen's Wendell during their Champions League Group E soccer match at Olympic stadium in Rome, Italy, November 4, 2015 (Reuters)
Bayern Munich's Brazilian midfielder Douglas Costa and Bayern Munich's midfielder Thomas Mueller (R) celebrate scoring during the UEFA Champions League Group F second-leg football match between FC Bayern Munich and Arsenal FC in Munich, southern Germany, on November 4, 2015 (AFP)
Arsenal's Mathieu Debuchy in action with Bayern Munich's Robert Lewandowski during the UEFA Champions League Group F second-leg football match between FC Bayern Munich and Arsenal FC in Munich, southern Germany, on November 4, 2015 (Reuters)
FC Barcelona's Uruguayan forward Luis Suarez (R) vies with BATE Borisov's defender Vitali Gayduchik (L) during the UEFA Champions League group E football match FC Barcelona vs FC BATE Borisov at the Camp Nou stadium in Barcelona on November 4, 2015 (AFP)
FC Barcelona's Uruguayan forward Luis Suarez (R) vies with BATE Borisov's defender Vitali Gayduchik (L) during the UEFA Champions League group E football match FC Barcelona vs FC BATE Borisov at the Camp Nou stadium in Barcelona on November 4, 2015 (AFP)