Schalke's Haji Wright struggles for a ball with Zenit's Denis Terentyev and Aleksandr Anyukov during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Ilya Skrobotov amd Schalke's Naldo struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Leon Musaev and Schalke's Haji Wright struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Referee Sergey Lapochkin speaks to Schalke's goalkeeper Ralf Faehrmann during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's players speak to the referee Sergey Lapochkin during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Leon Musaev and Schalke's Philip Fontein struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's goalkeeper Ralf Faehrmann tries to make a save during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Jonas Carls runs with a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Leon Musaev and Schalke's Philip Fontein struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Haji Wright and Zenit's Aleksandr Anyukov struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Naldo plays with a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Haji Wright plays with a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's head coach Domenico Tedesco reacts as Schalke's Bastian Oczipka and Zenit's Evgeni Chernov struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's goalkeeper Ralf Faehrmann makes a save during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Magomed Ozdoev plays with a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's goalkeeper Ralf Faehrmann makes a save during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Naldo plays with a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Steven Skrzybski, centre, controls a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's head coach Domenico Tedesco speaks to his players during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Sandro Plechaty plays with a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Oleg Shatov and Schalke's Luis Samson struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Hernani heads a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Elmir Nabiullin and Schalke's Nabil Bentaleb struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Sandro Plechaty hits a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Sandro Plechaty hits a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's head coach Sergey Semak watches his players during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Hernani, left, and Schalke's Sandro Plechaty during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Steven Skrzybski and Franco Di Santo celebrate their team's goal during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Bastian Oczipka, left, and Zenit's Evgeni Chernov struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Franco Di Santo and Zenit's Sebastian Driussi struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's head coach Domenico Tedesco speaks to his players during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's head coach Domenico Tedesco speaks to his players during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Ilya Skrobotov, left, and Schalke's Franco Di Santo struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's goalkeeper Soeren Ahlers looks at a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's goalkeeper Soeren Ahlers concedes a goal during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Abdul Baba Rahman, left, and Zenit's Magomed Ozdoev struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Steven Skrzybski heads a ball against Zenit's Elmir Nabiullin during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Steven Skrzybski plays with a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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From left, Zenit's Elmir Nabiullin, Ilya Skrobotov and Schalke's Franco Di Santo struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's Magomed Ozdoev, right, and Schalke's Steven Skrzybski, centre, struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Schalke's Nabil Bentaleb, centre, and Zenit's Matias Kranevitter, right, struggle for a ball during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's players celebrate a goal during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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Zenit's players celebrate a goal during the friendly soccer match between Zenit St. Petersburg and Schalke 04 Gelsenkirchen, at the Saint Petersburg Stadium, in St. Petersburg, Russia, November 18, 2018.

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