In critical need of an emotional spark, their playoff hopes slip slidin’ away, the Bruins on Monday plucked journeyman forward Vinni Lettieri out of AHL Providence in the hopes that the ex-University of Minnesota standout can help cure what ails them.

Albeit snapping a six-game losing streak with a nail-biting victory over the Florida Panthers, Boston Bruins captain Brad Marchand issued a strong message to interim coach Joe Sacco about the NHL season.

The puck gets past Florida Panthers goaltender Sergei Bobrovsky (72) on the game-winning goal scored by Boston Bruins right wing David Pastrnak, not shown, during overtime in an NHL hockey game ...

Watch: The Bruins outlasted the Panthers in overtime on a goal with 1.2 seconds left. Read more on Boston.com.

Watching their losing streak reach six games, the Bruins enter this afternoon’s matchup on the heels of a 4-1 loss at Tampa Bay on Thursday. Mason Lohrei scored the lone goal in the loss for Boston, which has been held to just one goal in four of six games during its slump.

David Pastrnak scored with 1.2 seconds left in overtime for the Boston Bruins, who snapped a six-game losing streak with a 4-3 win over the host Florida Panthers on Saturday afternoon in Sunrise.

SUNRISE, Fla. — In the final seconds of overtime, after Sam Bennett was called for high-sticking Charlie McAvoy, David Pastrnak intended to send a cross-seam puck for Elias Lindholm to one-time. Pastrnak did not complete the pass. Execution was not atop the Boston Bruins’ list of accomplishments on Saturday against the Florida Panthers.

No doubt the Boston Bruins will celebrate on their flight home all that puck luck they received in F-L-A.

The Bruins have lost six consecutive games, with their last win dating back to Dec. 28 against the Blue Jackets.

Geekie gave the Bruins a 1-0 lead with a power-play goal at 6:02 of the first period by pulling in a loose puck that deflected off Panthers defenseman Niko Mikkola off a point shot from Mason Lohrei. It was Boston's first power-play goal in eight games.

Oliver Wahlstrom had given Boston a 3-2 lead with his first ... first that snapped his 15-game goal drought. Sergei Bobrovsky made 14 saves. Bruins: Finally found scoring success.

David Pastrnak scored a power-play goal with 2 seconds left in overtime and the Boston Bruins snapped a six-game losing streak with a 4-3 win over the Florida Panthers on Saturday. It was the second goal of the day for Pastrnak,