Taylor Hall gave Boston an 8-1 lead at 16:12, finishing a pass from Pastrnak off the rush.
"They wanted to make a statement," Ruff said. "It's the same thing I talked to our team about after the game, this game is over. It's 'What is going to be the answer to this game?' And there's a lot of small details in the game, from our puck play to our [defensive] zone position that cost us goals."
NOTES: McLaughlin is the fifth Massachusetts-born player to score in his NHL debut with the Bruins after Ryan Donato, (March 19, 2018), Frank Vatrano (Nov. 7, 2015), Shawn Bates (Oct. 2, 1997) and Hago Harrington (Dec. 29, 1925). McLaughlin had three shots in 13:01 after signing a two-year, entry-level contract March 15. He replaced Craig Smith, who was ill. … Boston scored six goals in a regular-season period for the 24th time and first since Nov. 3, 1983 in a 9-5 win against the St. Louis Blues. It also scored six goals in one period once in the Stanley Cup Playoffs, the third period of a 6-1 win against the Hartford Whalers in the Adams Division semifinals April 11, 1991. … Bergeron reached the 50-point mark for the 13th time in his NHL career. Only two players have as many with the Bruins, Ray Bourque (18) and Johnny Bucyk (17). … Marchand scored at least 30 goals for the fifth time in NHL. … Defenseman Josh Brown was plus-2 with a fighting major in 10:18 in his Bruins debut after being acquired in a trade with the Ottawa Senators on March 21. … Boston forward Anton Blidh had two shots and four hits in 12:24 in his first game since March 16. … Pastrnak has scored 10 points (five goals, five assists) in a four-game point streak. … Hughes has scored eight points (six goals, two assists) in a five-game point streak. … Devils forward Jesper Bratt had his seven-game point streak end (10 points; three goals, seven assists). … The Bruins won the season series 3-0-0.