David Pastrnak had a four-point night and Boston matched its output in the first two games of its western trip in the opening 8:08 against former Boston College goaltender Thatcher Demko.

David Pastrnak had a goal and three assists as the Boston Bruins beat the Vancouver Canucks 5-1. Pavel Zacha had a goal and an assist, and Brad Marchand, Morgan Geekie and Marc McLaughlin also scored for the Bruins.

The lights were on at Rogers Arena Saturday night, but watching the Vancouver Canucks play, you’d have thought they were like the rest of the Lower Mainland: totally without power. Playing against a team that had given up 13 goals in their last two games,