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Boston, MA (Sports Network) - Johnny Boychuk, Brad Marchand and Milan Lucic scored in succession to break open a tie game and stake the Boston Bruins to a commanding lead in their Eastern Conference semifinal series with the New York Rangers following Sunday's 5-2 Game 2 victory at TD Garden.

Boston took a 1-0 series lead with a hard-earned 3-2 overtime triumph on Thursday, but left little doubt about the outcome of this one after reeling off three unanswered goals to support a stout effort between the pipes from Tuukka Rask.

Marchand added an assist in the triumph, with Torey Krug delivering a goal and an assist for Boston and Patrice Bergeron and David Krejci each contributing a pair of helpers.

Rask turned aside 35 shots to outshine counterpart Henrik Lundqvist, with the reigning Vezina Trophy recipient stopping just 27-of-32 chances as the Rangers fell to 1-5 on the road in these playoffs.

New York, which also fell into an 0-2 hole before rallying to top Washington in seven games in the opening round, will attempt to bounce back when the series shifts to Madison Square Garden for Tuesday's Game 3.

The Rangers did get a goal from Rick Nash, the talented sniper's first of this year's postseason, with Ryan Callahan also lighting the lamp in the loss.