The Boston Bruins scored three powerplay goals to beat the Toronto Maple Leafs 5-1 in game one of the Stanley Cup Playoffs.

Brad Marchand, David Backes and David Krejci scored the PP goals.

David Pastrnak and Sean Kuraly scored the other goals as the B's dominated periods two and three.

Tuukka Rask stopped 26 shots in goal.

Game two of the best-of-seven series is Saturday night.