Alexander Tretiakov

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Alexander Tretiakov, of Russia, talks with reporters after winning the men's skeleton World Cup race on Friday, Dec. 16, 2016, in Lake Placid, N.Y. (AP Photo/Hans Pennink)

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Alexander Tretiakov, of Russia, slides into the finish area after winning the men's skeleton World Cup race on Friday, Dec. 16, 2016, in Lake Placid, N.Y. (AP Photo/Hans Pennink)

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Alexander Tretiakov of Russia tosses his flowers after the ceremony for winning the gold medal in the men's skeleton competition at the 2014 Winter Olympics, Saturday, Feb. 15, 2014, in Krasnaya Polyana, Russia. Walking behind him is silver medalist Martins Dukurs of Latvia. (AP Photo/Michael Sohn)

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From left to right silver medalist Martins Dukurs of Latvia, gold medalist Alexander Tretiakov of Russia and bronze medalist Matthew Antoine of the United States pose during the flower ceremony after the men's skeleton competition at the 2014 Winter Olympics, Saturday, Feb. 15, 2014, in Krasnaya Polyana, Russia. (AP Photo/Natacha Pisarenko)

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Alexander Tretiakov of Russia celebrates in the finish area after he won the gold medal during the men's skeleton competition at the 2014 Winter Olympics, Saturday, Feb. 15, 2014, in Krasnaya Polyana, Russia. (AP Photo/Natacha Pisarenko)

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Alexander Tretiakov of Russia crosses the finish area to win the gold medal as his coach shows him the number one sign during the men's skeleton competition at the 2014 Winter Olympics, Saturday, Feb. 15, 2014, in Krasnaya Polyana, Russia. (AP Photo/Natacha Pisarenko )

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Alexander Tretiakov of Russia celebrates with fans and supporters in the finish area after he won the gold medal during the men's skeleton competition at the 2014 Winter Olympics, Saturday, Feb. 15, 2014, in Krasnaya Polyana, Russia. (AP Photo/Michael Sohn)