BOSTON — Brad Marchand had a hat trick and the Boston Bruins scored five goals in the second period to end the Pittsburgh Penguins five-game winning streak, 7-5 at TD Garden on Saturday.
David Pastrnak had two goals and an assist, and Jaroslav Halak made 23 saves for Boston (19-10-5), which lost the first game of the two-game set, 4-1 on Thursday.
Sidney Crosby and Jake Guentzel each scored three points, and Casey DeSmith allowed six goals on 27 shots for Pittsburgh (24-12-2), which was 6-0-1 in its past seven games.
Mark Jankowski scored on a redirection in front at 3:24 of the first period to give the Penguins a 1-0 lead.
Patrice Bergeron scored 11 seconds into the second period to tie the score 1-1, and Pastrnak made it 2-1 at 0:45. David Krejci got his 500th NHL assist on Pastrnak’s goal.
Guentzel tied it 2-2 at 2:45.
Jared McCann‘s power-play goal put the Penguins ahead 3-2 at 5:11.
Marchand tied it 3-3 at 14:56.
Krejci scored a power-play goal on a pass from Marchand to give Boston a 4-3 lead at 18:29, and Marchand extended the lead to 5-3 at 19:40.
Cody Ceci scored at 9:53 of the third period cut the lead to 5-4.
Pastrnak made it 6-4 at 13:28.
Crosby scored a shorthanded goal to cut the lead to 6-5 at 18:45. It was his first shorthanded goal since Nov. 27, 2010.
Marchand completed the hat trick with an empty-net goal at 18:59 for the 7-5 final.