The NHL's extension of the Boston–New York rivalry – present in the other leagues with the Yankees–Red Sox rivalry, Celtics–Knicks rivalry and Jets–Patriots rivalry – had its peak during the 1970s, but saw a resurgence in the 2010s. In the Original Six era, the teams had six matchups, with the Rangers only winning in 1928 and 1940 – both on the way to a Stanley Cup title. Between 1970 and 1973, where the Rangers' GAG line and the Bruins led by Bobby Orr and Phil Esposito had strong showings; the teams met three times, with the highest point being the 1972 Stanley Cup Finals, which the Bruins won in six games. However, the Rangers won in five games in 1973. 40 years passed before the next series between the Bruins and Rangers, and in 2013 the Bruins eliminated the Rangers in five games. As of the end of the 2021–22 season, Boston leads the all-time series 304–252–97–12 with a 26–19–2 playoff record against the New York Rangers. The Bruins have won seven of ten playoffs series between the teams. Boston Bruins vs. Philadelphia Flyers The Boston–Philadelphia NHL rivalry, also present in the NBA's Celtics–76ers rivalry, dates back to and was most intense in the 1970s, but the rivalry renewed its intensity in the 2010s. In the early 1970s, both the Bruins and Flyers played similar styles that reflected perfectly on each teams respective city, with the Bruins being known as the "Big Bad Bruins" and the Flyers as the "Broad Street Bullies." The most vicious rivalry of the era hit its peak in the 1974 Stanley Cup Finals, with the Bruins, led by Bobby Orr and Phil Esposito, and Flyers, led by Bobby Clarke and Bernie Parent, in an intense grudge match. The Flyers would complete a stunning upset, defeating the Bruins in six games. The two teams would meet each other again in the semifinals in the 1976, 1977, and 1978 playoffs, but would not meet each other again in the playoffs until 2010. Prior to the playoff meeting, the two teams squared off in the 2010 Winter Classic at Fenway Park, with the Bruins winning the game 2–1 in overtime. When the two teams met in the playoffs that year, the Bruins stormed out to a 3–0 series lead, but the Flyers would complete a stunning comeback, winning the series four games to three, which also included overcoming