Tuukka Rask stopped 28 shots, Gregory Campbell scored twice, and the host Boston Bruins beat the New York Rangers, 3-1, in Game 5 on Saturday to advance to the Eastern Conference finals.
The Bruins will face the Pittsburgh Penguins for the right to play for the Stanley Cup.
Recent call-up Torey Krug scored his fourth goal of the series for Boston, which reached the third round of the NHL playoffs for the second time since 1992. The other was 2011, when the Bruins won the sixth Stanley Cup in franchise history.
Dan Girardi scored and Henrik Lundqvist made 29 saves for the Rangers, who lost to New Jersey in last year's East finals.
Jonathan Toews and Andrew Shaw scored power-play goals in the second period, and the host Chicago Blackhawks avoided elimination with a 4-1 victory over the Detroit Red Wings in Game 5 of the second-round playoff series.
The NHL approved the sale of the Phoenix Coyotes to a group of Canadian-led investors, but the deal is contingent on reaching a lease agreement with the city of Glendale, Ariz., a source said.