Manchester City, Real Madrid and Manchester United among the clubs in action
Bayer Leverkusen's Giulio Donati is challenged by Manchester United's Nani, left, during their Champions League Group A soccer match at the BayArena in Leverkusen November 27, 2013.WOLFGANG RATTAY/Reuters
Real Madrid's Gareth Bale reacts after missing a chance to score against Galatasaray during their Champions League soccer match at Santiago Bernabeu stadium in Madrid November 27, 2013.SUSANA VERA/Reuters
Bayern Munich's players (back) line up under a heavy snowfall before their Champions League soccer match against CSKA Moscow at the Arena Khimki outside Moscow November 27, 2013.MAXIM SHEMETOV/Reuters
CSKA Moscow's Keisuke Honda, left, chases Bayern Munich's goalkeeper Manuel Neuer who jumps for the ball during their Champions League soccer match at the Arena Khimki outside Moscow November 27, 2013.MAXIM SHEMETOV/Reuters
Real Madrid's fans hold up placards supporting their team's star Cristiano Ronaldo before their Champions League soccer match against Galatasaray at Santiago Bernabeu stadium in Madrid November 27, 2013.SUSANA VERA/Reuters
FC Copenhagen's supporters hold up scarfs during their Champions League soccer match against Juventus at Juventus stadium in Turin November 27, 2013.ALESSANDRO GAROFALO/Reuters
Bayern Munich's Arjen Robben reacts as CSKA Moscow's Georgi Milanov lies on the pitch after receiving an injury during their Champions League soccer match at the Arena Khimki outside Moscow November 27, 2013.MAXIM SHEMETOV/Reuters
CSKA fans cheer on the stands during the Champions League group D soccer match between CSKA Moscow and Bayern Munich in Moscow, Russia, Wednesday, March 27, 2013.Ivan Sekretarev/The Associated Press
Olympiakos' Piraeus goalkeeper Roberto fails to catch the ball as Paris St-Germain's Zlatan Ibrahimovic shoots and scores the first goal for the team during their Champions League soccer match at the Parc des Princes Stadium in Paris November 27, 2013.GONZALO FUENTES/Reuters
Manchester United's Antonio Valencia scores a goal past Bayer Leverkusen's goalkeeper Bernd Leno (R) during their Champions League Group A soccer match at the BayArena in Leverkusen November 27, 2013.WOLFGANG RATTAY/Reuters
Manchester City's James Milner, left, challenges Viktoria Plzen's Roman Hubnik during their Champions League soccer match at the Etihad Stadium in Manchester, northern England, November 27, 2013.NIGEL RODDIS/Reuters
Bayer Leverkusen's Gonzalo Castro falls on the ground during their Champions League Group A soccer match against Manchester United at the BayArena in Leverkusen November 27, 2013.INA FASSBENDER/Reuters
Juventus' Paul Pogba, centre, controls the ball as FC Copenhagen's Lars Jacobsen touches the ball with his hands during their Champions League soccer match at Juventus stadium in Turin November 27, 2013.ALESSANDRO GAROFALO/Reuters
Benfica's Nicolas Gaitan, right, celebrates his goal against Anderlecht with team mates during their Champions League group C soccer match at the Constant Vanden Stock Stadium in Brussels November 27, 2013.FRANCOIS LENOIR/Reuters
Juventus' Arturo Vidal (2nd L) shoots to score a penalty against FC Copenhagen's goalkeeper Johan Wiland during their Champions League soccer match at Juventus stadium in Turin November 27, 2013.ALESSANDRO GAROFALO/Reuters
Bayer Leverkusen's Oemer Toprak challenges Manchester United's Wayne Rooney, left, during their Champions League Group A soccer match at the BayArena in Leverkusen November 27, 2013.INA FASSBENDER/Reuters
Galatasaray's Didier Drogba, right, and Real Madrid's Asier Illarramendi challenge for the ball during their Champions League soccer match at Santiago Bernabeu stadium in Madrid November 27, 2013.JUAN MEDINA/Reuters
RSC Anderlecht's Cheikhou Kouyate challenges SL Benfica's goalkeeper Artur Moraes during the Group C Champions League soccer match in Brussels on Wednesday, Nov. 27, 2013.Geert Vanden Wijngaert/The Associated Press
Benfica's Maxi Pereira challenges Anderlecht's Fabrice N'Sakala during their Champions League group C soccer match at the Constant Vanden Stock Stadium in Brussels November 27, 2013.LAURENT DUBRULE/Reuters
Manchester City's Samir Nasri shoots to score during their Champions League soccer match against Viktoria Plzen at the Etihad Stadium in Manchester, northern England, November 27, 2013.NIGEL RODDIS/Reuters