Los Angeles Kings' defenseman Drew Doughty (R Bottom) falls as his teammate Los Angeles Kings' defenseman Jake Muzzin (L Top) vies with Colorado Avalanche's forward Mikko Rantanen (R Top) during a 2017-2018 NHL hockey game in Los Angeles, the United States, on Dec. 21, 2017. Los Angeles Kings won 2-1 in overtime. (Xinhua/Zhao Hanrong)