Bayer 04's head coach Roger Schmidt at a news conference at BayArena stadium's press center ahead of the UEFA Champions League's group stage match between Zenit St. Petersburg and Bayer 04 Leverkusen.

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Bayer's player Emir Spahić, center, during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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From left: Bayer's players Emir Spahić, Stefan Kießling and Tin Jedvaj during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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From left: Bayer's players Emir Spahić, Tin Jedvaj and Stefan Kießling during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's head coach Roger Schmidt during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's players Stefan Kießling, left, and Robbie Kruse during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's head coach Roger Schmidt during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's head coach Roger Schmidt, right, and player Hakan Çalhanoğlu, left, during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's head coach Roger Schmidt during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's head coach Roger Schmidt during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's head coach Roger Schmidt during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's players during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's players during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's players during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's player Heung-Min Son during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's player Heung-Min Son during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's player Hakan Çalhanoğlu during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's player Hakan Çalhanoğlu during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's player Hakan Çalhanoğlu during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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Bayer's head coach Roger Schmidt during a training session before the UEFA Champions League group stage match between Bayer 04 Leverkusen (Germany) and Zenit St. Petersburg (Russia).

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F.C Bayer's chief coach Roger Schmidt (left) and player Stephan Kiessling attending a press conference before a Champions League match between FC Bayer (Leverkusen, Germany) and FC Zenit (St.Petersburg, Russia).

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F.C Bayer's chief coach Roger Schmidt attending a press conference before a Champions League match between FC Bayer (Leverkusen, Germany) and FC Zenit (St.Petersburg, Russia).

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F.C Bayer's player Stephan Kiessling attending a press conference before a Champions League match between FC Bayer (Leverkusen, Germany) and FC Zenit (St.Petersburg, Russia).

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F.C Bayer's Stephan Kiessling attending a press conference before a Champions League match between FC Bayer (Leverkusen, Germany) and FC Zenit (St.Petersburg, Russia).

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F.C Bayer's chief coach Roger Schmidt (left) and player Stephan Kiessling attending a press conference before a Champions League match between FC Bayer (Leverkusen, Germany) and FC Zenit (St.Petersburg, Russia).

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F.C Bayer's chief coach Roger Schmidt attending a press conference before a Champions League match between FC Bayer (Leverkusen, Germany) and FC Zenit (St.Petersburg, Russia).

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F.C Bayer's chief coach Roger Schmidt (left) and player Stephan Kiessling attending a press conference before a Champions League match between FC Bayer (Leverkusen, Germany) and FC Zenit (St.Petersburg, Russia).

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