Images from Tuesday's Champions League matches
Bayern Munich, Cheslea, Roma and Barcelona in action
Players pose behind an anti-racism banner in the empty Khimki Arena before the UEFA Champions League group E football match between CSKA Moscow and Manchester City in Moscow on October 21, 2014.YURI KADOBNOV/AFP / Getty Images
Manchester City's Bacary Sagna, centre, tries to keep warm as he sits on the bench with teammates before the Champions League Group E soccer match between CSKA Moscow and Manchester City at Arena Khimki stadium in Moscow.Ivan Sekretarev/The Associated Press
Manchester City's Spanish midfielder David Silva, right, challenges CSKA Moscow's Brazilian defender Mario Fernandes during the UEFA Champions League group E football match between CSKA Moscow and Manchester City.YURI KADOBNOV/AFP / Getty Images
CSKA's Aleksei Berezutski, right, and Manchester City's Pablo Zabaleta, left, challenge for the ball.Pavel Golovkin/The Associated Press
CSKA's Georgi Milanov, front, loses his shoe, during the Champions League Group E soccer match between CSKA Moscow and Manchester City at Arena Khimki stadium in Moscow.Ivan Sekretarev/The Associated Press
Manchester City's Sergio Aguero scores the opening goal during the Champions League Group E soccer match between CSKA Moscow and Manchester City.Ivan Sekretarev/The Associated Press
Manchester City's Sergio Aguero, left, is congratulated by teammate Aleksandar Kolarov after scoring a goal.MAXIM SHEMETOV/Reuters
From left: Manchester City's James Milner, Sergio Aguero and David Silva block a free kick from CSKA's Zoran Tosic during the Champions League Group E soccer match between CSKA Moscow and Manchester City.Ivan Sekretarev/The Associated Press
Manchester City's Brazilian midfielder Fernando fouls CSKA Moscow's Ivorian forward Seydou Doumbia.ALEXANDER NEMENOV/AFP / Getty Images
CSKA's Bebras Natcho, right, scores a penalty goal against Manchester City's goalkeeper Joe Hart, left, during the Group E Champions League match between CSKA Moscow and Manchester City at Arena Khimki stadium in Moscow.Pavel Golovkin/The Associated Press
Manchester City's Vincent Kompany, right, and Pablo Zabaleta, centre, fail to save a goal by CSKA Moscow's Seydou Doumbia.MAXIM ZMEYEV/Reuters
Referee and match officials warm-up before the UEFA Champions League, Group G, football match between Chelsea and Maribor at Stamford Bridge in London on October 21, 2014.IAN KINGTON/AFP / Getty Images
Fans light up flares during the Group E Champions League soccer match between Roma and Bayern Munich at the Olympic stadium, in Rome.Andrew Medichini/The Associated Press
An AS Roma's supporter waves a flag before the start of the Champions League soccer match against Bayern Munich at the Olympic stadium in Rome.STEFANO RELLANDINI/Reuters
Bayern Munich's fans crowd the stadium stands prior to the start of the Group E Champions League soccer match between Roma and Bayern Munich at the Olympic stadium, in Rome.Alessandra Tarantino/The Associated Press
Robben of Bayern Muenchen scores the opening goal during the UEFA Champions League group E match between AS Roma and FC Bayern Munich.Alexander Hassenstein
Robert Lewandowski of Bayern Munich scores his team's third goal during the UEFA Champions League Group E match.Alexander Hassenstein
Chelsea's Chelsea's Loic Remy, right, challenges Maribor's Aleksander Rajcevic during their Champions League Group G soccer match at Stamford Bridge in London October 21, 2014.EDDIE KEOGH/Reuters
Chelsea's manager Jose Mourinho shouts at Eden Hazard during their Champions League Group G soccer match against Maribor at Stamford Bridge in London October 21, 2014.EDDIE KEOGH/Reuters
Schalke 04's Kevin-Prince Boateng, right, is challenged by Sportig's Nani during their Champions League group G soccer match in Gelsenkirchen.INA FASSBENDER/Reuters
Chelsea's Loic Remy scores his team's first goal passing Maribor's goalkeeper Jasmin Handanovic, right, during the Group G Champions League match between Chelsea and Maribor at Stamford Bridge stadium in London.Alastair Grant/The Associated Press
Schalke's Benedikt Hoewedes, left, and Sporting's Islam Slimani go for a header during the Champions League group G soccer match between Schalke 04 and Sporting in Gelsenkirchen, Germany.Martin Meissner/The Associated Press
Shakhtar Donetsk's Luiz Adriano, left, challenges BATE Borisov's Nemanja Tubic during their Champions League Group H soccer match at the Borisov Arena outside Minsk.VASILY FEDOSENKO/Reuters
Porto's Bruno Martins Indi, right, and Bilbao's Oscar de Marcos fight for the ball during the Champions League Group H soccer match between FC Porto and Athletic Bilbao at Dragao Stadium in Porto, Portugal.Paulo Duarte/The Associated Press
Chelsea's Didier Drogba celebrates scoring his team's second goal out of a penalty during the Group G Champions League match between Chelsea and Maribor at Stamford Bridge stadium in London.Alastair Grant/The Associated Press
Porto and Bilbao players jump for the ball during the Champions League Group H soccer match between FC Porto and Athletic Bilbao at Dragao Stadium in Porto, Portugal, Tuesday.Paulo Duarte/The Associated Press
Barcelona's Lionel Messi, left, and Ajax Amsterdam's Niklas Moisander challenge for a high ball during their Champions League soccer match at Camp Nou stadium in Barcelona.ALBERT GEA/Reuters
Shakhtar Donetsk's Luiz Adriano celebrates after scoring during their Champions League Group H soccer match against BATE Borisov at the Borisov Arena outside Minsk, October 21, 2014.VASILY FEDOSENKO/Reuters
Schalke 04's Benedikt Hoewedes, right, scores a header goal against Sporting with his teammate Klaas-Jan Huntelaar during their Champions League group G soccer match in Gelsenkirchen.INA FASSBENDER/Reuters
Schalke's Benedikt Hoewedes, left, celebrates with his teammate Klaas Jan Huntelaar, right, after he scored his side's third goal during the Champions League Group G soccer match between Schalke 04 and Sporting in Gelsenkirchen, Germany.Martin Meissner/The Associated Press
Shakhtar Donetsk's Taras Stepanenko, right, challenges BATE Borisov's Aleksandr Karnitski during their Champions League Group H soccer match at the Borisov Arena outside Minsk.VASILY FEDOSENKO/Reuters
Chelsea's Didier Drogba, top, leaps over Maribor's goalkeeper Jasmin Handanovic, second left, during the Champions League Group G soccer match between Chelsea and NK Maribor at Stamford Bridge stadium in London.Kirsty Wigglesworth/The Associated Press