Big Chicago forward Dustin Byfuglien banged in a pair of power-play rebounds and completed his hat trick in the third period to lift the Blackhawks to a 5-2 win over the Vancouver Canucks and a 2-1 lead in the Western Conference semifinal series on Wednesday night. Kris Versteeg and Marian Hossa also scored, and Antti Niemi made 16 of his 31 saves in the first period.