Jacob Markstrom stopped 28 shots for his league-leading eighth shutout of the season as the Calgary Flames cruised to a 6–0 victory over the visiting Vegas Golden Knights on Wednesday night. Andrew Mangiapane scored two goals and Mikael Backlund had a goal and three assists for the Flames, who have won four games in a row and six of their past seven. Matthew Tkachuk contributed a goal and two assists, Johnny Gaudreau and Elias Lindholm also scored goals and Noah Hanifin chipped in with two assists. Markstrom, a 32-year-old veteran playing his 12th season in the NHL, entered the season with just eight shutouts in his career. Robin Lehner finished with 27 saves for Vegas, which had a three-game winning streak snapped. It was the third time the Pacific Division-leading Golden Knights were shut out this season. Islanders 6, Canucks 3 New York scored five goals in an explosive first …