Smyth's 13th and 14th goals of the season came in the second period when Colorado scored three times.
He was removed from the ice on a stretcher with 28.5 seconds remaining in the second period, after being driven hard into the glass at the end of the bench by Los Angeles defenseman Jack Johnson. His condition was not disclosed.
Los Angeles got one goal apiece from Michael Cammalleri and Rob Blake. Anze Kopitar assisted on both goals while Dan Cloutier was beaten four times on 27 shots for the Kings, who have lost three straight.
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