BOSTON - Steven Stamkos scored his 500th career point with a tiebreaking power-play goal that sent the Tampa Bay Lightning to a 6-3 win over the Bruins on Monday afternoon.
Brian Boyle scored two goals, and Ondrej Palat, Jonathan Drouin and Valtteri Filppula added goals for the Lightning. Ben Bishop stopped 27 shots.
It was Tampa Bay's first win in Boston since March 25, 2010.
Loui Eriksson had two power-play goals, and David Krejci also had one for Boston, which opened a season with three straight losses for the first time since 1999.
Tuukka Rask made 17 saves for the Bruins.
Boston captain Zdeno Chara played his first game after missing most of the preseason with an undisclosed upper body injury.