Lionel Messi celebrates one of his three goals as Barcelona recorded its largest Champions League victory when thrashing Celtic 7-0 at Camp Nou.
Lionel Messi celebrates one of his three goals as Barcelona recorded its largest Champions League victory when thrashing Celtic 7-0 at Camp Nou.
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Barcelona fans hold up Catalan flags during the match against Celtic. The flag, known locally as the "Estelada," has in recent years become a symbol of the independence movement within Catalonia. UEFA outlaws the use of objects that transmit political messages.
Barcelona fans hold up Catalan flags during the match against Celtic. The flag, known locally as the "Estelada," has in recent years become a symbol of the independence movement within Catalonia. UEFA outlaws the use of objects that transmit political messages.
David Ramos/Getty Images Europe/Getty Images
Joshua Kimmich scored his first Champions League goal for Bayern Munich, who beat Rostov 5-0, in a month where he has already registered his first strikes for Germany and in the Bundesliga.
Joshua Kimmich scored his first Champions League goal for Bayern Munich, who beat Rostov 5-0, in a month where he has already registered his first strikes for Germany and in the Bundesliga.
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Marco Verratti and Olivier Giroud clash seconds before their red cards as Arsenal came from behind to earn a 1-1 draw at Paris Saint-Germain.
Marco Verratti and Olivier Giroud clash seconds before their red cards as Arsenal came from behind to earn a 1-1 draw at Paris Saint-Germain.
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Saul Niguez broke local resistance when volleying home the only goal as last season's Champions League runner-up Atletico Madrid won 1-0 at PSV Eindhoven.
Saul Niguez broke local resistance when volleying home the only goal as last season's Champions League runner-up Atletico Madrid won 1-0 at PSV Eindhoven.
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Talisca is buried by his Besiktas teammates after scoring a dramatic long-range free-kick -- converted in the 93rd minute -- to earn a 1-1 draw against parent club Benfica.
Talisca is buried by his Besiktas teammates after scoring a dramatic long-range free-kick -- converted in the 93rd minute -- to earn a 1-1 draw against parent club Benfica.
PATRICIA DE MELO MOREIRA/AFP/AFP/Getty Images
Matias Delgado celebrates as Renato Steffen (not pictured) gives Basel the lead in the Swiss club's 1-1 draw at home to Bulgarian side Ludogorets.
Matias Delgado celebrates as Renato Steffen (not pictured) gives Basel the lead in the Swiss club's 1-1 draw at home to Bulgarian side Ludogorets.
FABRICE COFFRINI/AFP/AFP/Getty Images
Dynamo Kiev goalkeeper Olexandr Shovkovskiy made history by becoming the second oldest player to contest a Champions League match but he was beaten twice by Arkadiusz Milik, pictured on the floor, as Napoli won 2-1.
Dynamo Kiev goalkeeper Olexandr Shovkovskiy made history by becoming the second oldest player to contest a Champions League match but he was beaten twice by Arkadiusz Milik, pictured on the floor, as Napoli won 2-1.
SERGEI SUPINSKY/AFP/AFP/Getty Images