David Pastrnak had one goal and assisted on Pavel Zacha's winner as the Boston Bruins scored three times in the third period to overcome a two-goal deficit and beat the Florida Panthers 3-2 on Tuesday night.

Boston erased a 2-0 deficit with three goals in just under seven minutes in the third period to post a 3-2 win over the Stanley Cup champs Tuesday night at TD Garden. David Pastrnak, Mason Lohrei, and Pavel Zacha scored for Boston, which improved to 30-28-8 and posted its first back-to-back wins since Feb 1 and 3 against the Rangers and Wild.

After the Bruins wiped out a 2-0 deficit in the third with goals from David Pastrnak (power play) and Mason Lohrei, Pavel Zacha gave the Bruins a 3-2 lead with 3:17 left in the third off a brilliant Pastrnak backhand pass.

David Pastrnak had one goal and assisted on Pavel Zacha’s winner as the Boston Bruins scored three times in the third period to overcome a two-goal deficit and beat the Florida Panthers 3-2 on Tuesday night.

Marchand is week-to-week with an upper-body injury and will not play Tuesday, but he will join his new team for the start of a six-game road trip.

The 2006 third-round pick has played his entire NHL career with the Bruins, amassing 976 points in 1,090 games.

David Pastrnak had one goal and assisted on Pavel Zacha’s winner as the Boston Bruins scored three times in the third period to overcome a two-goal deficit and beat the Florida Panthers 3-2 on Tuesday night.