1969 – 70 Boston Bruins season The 1969 – 70 Boston Bruins season was the Bruins ' 46th season in the NHL . The Bruins were coming off of a successful season in 1968 – 69 , as they finished with a franchise record 100 points , sitting in 2nd place in the Eastern Division , however , they would lose to the Montreal Canadiens in the Eastern Division finals . This year , the Bruins would go all the way to the Final and win the Stanley Cup . Regular season . Boston got off to a quick start , going unbeaten in their first 7 games ( 6 – 0 – 1 ) , which immediately was followed by a 5 game winless streak . The Bruins though would snap out of their mini - slump , and never have a 2 game losing streak for the remainder of the season , finishing the year with a 40 – 17 – 19 record , earning 99 points , which tied the Chicago Black Hawks for 1st place in the Eastern Division . Chicago was awarded 1st place though due to having more wins than Boston , as the Hawks recorded 45 . Bobby Orr would have his breakout season , leading the league with 120 points , as he became the first defenceman in league history to record over 100 points , while setting an NHL record with 87 assists . Orr also scored 33 goals , which also was a record by a defenceman . Orr also provided toughness , leading the Bruins with 125 PIM . Phil Esposito had another very strong season , scoring 43 goals and earning 99 points , while John McKenzie registered 70 points . 34 year old John Bucyk scored a career high 31 goals and tied his career best with 69 points . In goal , Gerry Cheevers would get the majority of playing time , winning a team high 24 games , and having a team best 2 . 72 GAA and 4 shutouts . Ed Johnston would be his backup , as he won 16 games , had a 2 . 98 GAA , and 3 shutouts . Playoffs . In the playoffs , Boston opened up against the New York Rangers , who finished in 4th place in the Eastern Division , with 92 points , 7 less than the Bruins . The series opened up at the Boston Garden , and the Bruins continued their winning ways at home , taking the first 2 games to take an early series lead . The series then moved to Madison Square Garden in New York for the next 2 games , and the Rangers responded with 2 close wins , and tied the series up at 2 games each . Boston returned home for game 5 , and took a 3 – 2 series lead with a hard fought 3 – 2 win in the game , and the Bruins would finish off the Rangers in game 6 on the road , beating New York 4 – 1 , and advance to the Eastern Division finals . The Bruins opponent for the division finals was the Chicago Black Hawks , who finished with 99 points , the same as Boston , but had more wins , so they were awarded home ice for the series . Boston would surprise the Chicago fans by taking the first 2 games held at Chicago Stadium with relative ease to take a 2 – 0 series lead . Boston then took game 3 by a 5 – 2 score at the Boston Garden , and took a commanding 3 – 0 lead in the series . The Black Hawks would keep game 4 close , but would lose , as Boston won the game 5 – 4 , and swept Chicago , to advance to the Stanley Cup finals for the first time since 1958 . Boston Bruins vs . St . Louis Blues Boston would face the winner of the Western Division , the St . Louis Blues , who were making their 3rd straight Stanley Cup final appearance . The Blues had previously been swept by the Montreal Canadiens in their first 2 times in the finals . St . Louis had defeated the Minnesota North Stars and Pittsburgh Penguins to earn a spot . The series would open at the St . Louis Arena , and the Bruins had no problems at all in their first 2 games , defeating the Blues by scores of 6 – 1 and 6 – 2 , and took a 2 – 0 series lead . The series shifted to Boston for the next 2 games , and the Bruins again dominated game 3 , winning 4 – 1 . St . Louis would force the 4th game into overtime ; however the Bruins , on a goal by Bobby Orr , would win the game 4 – 3 , winning an NHL record 10th straight playoff game , and win their first cup since 1941 , and the 4th in franchise history . The still photo of Orr flying through the air after scoring the goal became one of the most iconic images of the Bruins franchise in its history . Draft picks . Boston ' s draft picks at the 1969 NHL Amateur Draft