
Clayton Keller (L) of USA vies with Peter Trska of Slovakia during the 2017 IIHF Ice Hockey World Championship Preliminary Round Group A Game between Slovakia and USA in Cologne, western Germany, on May 14,2017. USA won 6-1.(Xinhua/Ulrich Hufnagel)

Clayton Keller (L) of USA vies with Peter Trska of Slovakia during the 2017 IIHF Ice Hockey World Championship Preliminary Round Group A Game between Slovakia and USA in Cologne, western Germany, on May 14,2017. USA won 6-1.(Xinhua/Ulrich Hufnagel)