Then midway through overtime, Kennedy collected the puck in the left circle and unleashed a wrist shot that beat the Flyers' goalie high to the short side for the game-winner.
The result avoided a repeat of last season for the Penguins, when Philadelphia downed them in March 2012 to break an 11-game winning streak.
Marc-Andre Fleury earned the with win 27 saves.
Claude Giroux scored and Bryzgalov ended with 33 saves for the Flyers, who fell for the third time in four games.
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