Krasnodar's goalkeeper Matvey Safonov, right, concedes a goal against Olympiacos' Miguel Angel Guerrero during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Krasnodar's Younes Namli, left, and Olympiacos' Mathieu Valbuena struggle for a ball during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Krasnodar's head coach Sergei Matveev reacts during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' Guilherme, left, and Krasnodar's Tonny Vilhena struggle for a ball during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Krasnodar's Tonny Vilhena, left, and Olympiacos' Miguel Angel Guerrero struggle for a ball during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' fans cheer during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Krasnodar's goalkeeper Matvey Safonov, right, concedes a goal during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Dejected Krasnodar's goalkeeper Matvey Safonov reacts after team's 0-4 loss at the Champions League soccer match against Olympiacos, in Piraeus, Greece.

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Olympiacos' playes celebrate a goal during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' goalkeeper Jose Sa holds a ball during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Dejected Krasnodar's players walk after team's 0-4 loss at the Champions League soccer match against Olympiacos, in Piraeus, Greece.

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Olympiacos' players celebrate team's 4-0 victory at the Champions League soccer match against Krasnodar, in Piraeus, Greece.

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Olympiacos' players celebrate team's 4-0 victory at the Champions League soccer match against Krasnodar, in Piraeus, Greece.

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Krasnodar's Sergey Petrov, right, and Olympiacos' Mathieu Valbuena struggle for a ball during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' goalkeeper Jose Sa catches a ball during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' players celebrate a goal during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' Georgios Masouras, right, and Krasnodar's Tonny Vilhena struggle for a ball during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' Miguel Angel Guerrero reacts during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' fans cheer during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' fan cheers during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' Miguel Angel Guerrero celebrates a goal during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' fans cheer during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' fans cheer during the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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Olympiacos' fans cheer outside the Georgios Karaiskakis stadium before the Champions League soccer match between Olympiacos and Krasnodar, in Piraeus, Greece.

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