David Pastrnak had a goal and two assists and Parker Wotherspoon scored his first NHL goal to help the Boston Bruins open a four-goal lead and hold on to beat the Tampa Bay Lightning 6-2.

Trent Frederic gave the Bruins a 1-0 lead at 4:24 of the first period. Matthew Poitras skated in on a 2-on-1, showed patience with the puck by waiting out a sliding Nick Perbix, and sent a pass to Frederic for a tap-in at the left post.

A three-point night from David Pastrnak and a locked-in night from Jeremy Swayman helped propel the Boston Bruins to a 6-2 win over the Tampa Bay Lightning Tuesday night at the TD Garden. Parker Wotherspoon also netted his first NHL goal in the win while Swayman made 43 saves It was the Bruins’ second straight win and the second consecutive game where they gave up more than 40 shots.