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COLOGNE, GERMANY - MAY 16: Yevgeni Dadonov of Russia is challenged by Brock Nelson of the USA during the Russia v USA 2017 IIHF Ice Hockey World Championship match at Lanxess Arena on May 16, 2017 in Cologne, Germany. (Photo by Martin Rose/Getty Images)

COLOGNE, GERMANY - MAY 16:  Yevgeni Dadonov of Russia is challenged by Brock Nelson of the USA during the Russia v USA 2017 IIHF Ice Hockey World Championship match at Lanxess Arena on May 16, 2017 in Cologne, Germany.  (Photo by Martin Rose/Getty Images)