David Pastrnak had two goals, including one on a penalty shot, and the Boston Bruins blew past the Pittsburgh Penguins 5-1 on Wednesday night.

Boston outscored Pittsburgh 14-3 while sweeping the three-game season series.

Tuukka Rask made 41 saves for the Bruins. Jimmy Hayes, Landon Ferraro and Brad Marchand also scored.

Tom Kuhnhackl scored to bring Pittsburgh within 2-1 late in the second period. The puck went in off Kuhnhackl's stick, and the goal survived a video review.

Marc-Andre Fleury stopped 24 shots, and Pittsburgh got its first regulation loss in its last five road games. The Penguins entered one point ahead of New Jersey for eighth place in the Eastern Conference.