Poland's Robert Lewandowski poses for a photo during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poland's head coah Adam Nawalka, left, attends a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poland's players struggle for a ball during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poland's Lukasz Teodorczyk, center, cries in pain during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poland's Arkadiusz Milik, left, and Robert Lewandowski struggle for a ball during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poland's goalkeeper Bartosz Bialkowski, left, and Grzegorz Krychowiak, right, struggle for a ball during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poland's players warm up during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poland's players run during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poland's Robert Lewandowski walks during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poiland's Robert Lewandowski, right, runs during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poland's players struggle for a ball during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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Poland's players cycle during a national soccer team training session ahead of the World Cup in Sochi, Russia, June 13, 2018. The World Cup 2018 will start on June 14 and take place in 11 cities across Russia.

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