Canucks score four unanswered goals in third period to top Flames

Liam Ohgren celebrated his 100th NHL game by scoring one goal and assisting on defenceman Elias Pettersson’s winner as the Vancouver Canucks defeated the Calgary Flames 4-1 Saturday night. Drew O’Connor also had a goal for the Canucks (2-1-0) while Aatu Raty scored into an empty net. Defenceman Tom Willander and centre Linus Karlsson each had two assists. Matt Coronato, on the power play, scored for the Flames (0-2-0). Goaltender Leevi Merilainen stopped 23 shots in making his first start for Vancouver. Flames goalie Devin Cooley made 22 saves. Pettersson made it 2-1 at 9:04 of the third period. Streaking…