Coach Khabib Nurmagomedov holds a 16-kilogram kettlebell with the face of President Vladimir Putin on it.

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Coach Khabib Nurmagomedov holds a 16-kilogram kettlebell with the face of President Vladimir Putin on it.

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Coach Khabib Nurmagomedov holds a 16-kilogram kettlebell with the face of President Vladimir Putin on it.

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Russian mixed martial artist Khabib Nurmagomedov, left, and his coach Abdulmanal Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov, left, during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov, on the opponent's back, during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov, left, during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov, on the opponent's back, during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov, right, during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov, right, during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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Russian mixed martial artist Khabib Nurmagomedov during a training session in Moscow.

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