David Pastrnak, Charlie Coyle and Cole Koepke each scored for the Bruins (3-2-0). Joonas Korpisalo made 22 saves in his first win for Boston.

Korpisalo was acquired in a trade from the Ottawa Senators on June 24.

Cale Makar and Mikko Rantanen each had a goal and two assists for the Avalanche (0-4-0), who have lost four straight games to start a season for the first time since 1998-99. Nathan MacKinnon had two assists and Alexandar Georgiev made 20 saves.

Koepke gave the Bruins a 1-0 lead at 13:46 of the first period when he deflected into Andrew Peeke’s shot from the right wall.

Ross Colton tied the score at 1-1 with a power play goal at 15:07. He took a pass from Rantanen inside the right circle and fired it well past Korpisalo’s blocker.

Coyle put Boston back ahead 2-1 at 17:09 on the power play, redirecting Mason Lohrei’s centering pass to the right post.

Pastrnak extended the lead to 3-1 with a power-play goal at 9:09 of the second period. He drove the crease away from the back and deflected Lindholm’s centering pass into the open net.

Lindholm pushed the score to 4-1 just 13 seconds later with a shot from the left half through traffic.

Makar cut the score to 4-2 at 11:15 with a power-play goal on a slap shot from the point.

Rantanen made it 4-3 with a power-play goal at 4:52 of the third period, with a one-time pass from Makar at the right face-off point.

John Beecher scored an empty net goal at 17:59 for the 5-3 final after MacKinnon lost the puck at center ice.