In Boston, Barry Pederson's two goals helped the Bruins increase their unbeaten streak to 16 games and goalie Pete Peeters increase his unbeaten streak to 30.
Rick Middleton had a goal and three assists and Peter McNab got three assists. The Bruins led, 3-0, in the first period and Pittsburgh never got closer two goals thereafter. The Bruins outshot the Penguins by 19-5 in the first period.
Pittsburgh has lost 11 straight and hasn't won in 18 games. Both streaks are franchise records for the Penguins, who last won Jan. l. It was the 14th time this year Pittsburgh has allowed seven or more goals, and the Penguins have yielded at least five goals in 32 of their 57 games.
Peeters is on a 25-0-5 roll, the second-longest unbeaten streak in NHL history, and two shy of the record held by Gerry Cheevers, now Boston's coach. Peeters stopped 26 shots and was at his best early in the second period when the Bruins played short-handed more than eight minutes.
The Penguins' Paul Gardner scored twice, first at 6:07 of the second period while Boston was at a two-man disadvantage. He scored again with 3:58 remaining in the game.