Claude Giroux and Ville Leino also scored for the Flyers, who trailed 2-0 after the first period.
Maxim Lapierre scored twice for Montreal, which lost for the first time when leading after two periods.
Lightning 3 Bruins 1: In Tampa, Florida, Steven Stamkos got his NHL-leading 20th goal of the season to help Tampa Bay top Boston.
Stamkos, who has a point in 18 of 21 games, had one of Tampa Bay’s three goals during the second period that made it 3-0.
Dana Tyrell and Teddy Purcell also scored for the Lightning, who have won four in a row.
Boston got a third-period goal from Michael Ryder.
Blue Jackets 2 Predators 0: In Columbus, Ohio, Columbus notched its fourth straight win by downing Nashville.
Steve Mason made 27 saves for his first shutout of the season and 16th of his career.
Rick Nash and Mike Commodore scored for Columbus, off to the best start in franchise history and playing its first game since a record-setting three-game sweep in California.
Nash tied the franchise record with points in nine straight games.
Senators 3 Kings 2: In Ottawa, Alex Kovalev earned his 1,000th career point when he scored on a power play midway through the first period and assisted on Jason Spezza’s go-ahead goal in the third to send Ottawa past Los Angeles.
Kovalev became the 76th NHL player to reach the 1,000-point milestone with his sixth goal 10 minutes in. He joined Sergei Fedorov and Alexander Mogilny as the third Russian player to do it.
Spezza scored his sixth goal of the season to restore Ottawa’s lead. Milan Michalek had drawn the Senators even at 2-2 late in the second.
Anze Kopitar and Ryan Smyth scored for Los Angeles. Smyth was denied the tying goal with 3 seconds remaining. He deflected a shot into the net, but the referee immediately signaled no-goal. A lengthy video review upheld the call.
Devils 5 Capitals 0: In Newark, New Jersey, struggling New Jersey stunned NHL-leading Washington with an easy win.
Johan Hedberg made 30 saves for his 15th career shutout, while Jason Arnott scored twice and rookie Mattias Tedenby and Patrik Elias each had a goal and an assist for the Devils, who snapped a three-game losing streak.
Hedberg, playing in his 300th game, got the start as Martin Brodeur is expected to miss one to two weeks because of a bruised elbow.
Dainius Zubrus also scored for the Devils.
The Capitals dropped their third straight, giving up 14 goals in that span.
Penguins 3 Panthers 2: In Sunrise, Florida, Chris Conner scored his first goal of the season with 7:04 remaining in the third period to lift Pittsburgh over Florida.
Kris Letang and Sidney Crosby had power-play goals for the Penguins, who have a 5-0-1 record in their past six games.
Crosby, who also had an assist, extended his career-best point streak to nine games.
Cory Stillman and Bryan McCabe scored for the Panthers, who missed a chance to get over the .500 mark for the first time this season. Florida went 0 for 5 on the power play, making them 0 for 25 in the past six games.
Rangers 2 Flames 1: In New York, Brian Boyle and Dan Girardi scored second-period goals to lift New York over slumping Calgary.
Rangers backup goalie Martin Biron made 31 saves. He has won both starts since replacing No.1 Henrik Lundqvist during the loss at Colorado on Friday.
Flames captain Jarome Iginla stayed hot by scoring his sixth goal in three games — and 450th in the NHL — but it wasn’t enough.
Maple Leafs 4 Stars 1: In Toronto, Nikolai Kulemin scored twice as Toronto beat Dallas.
Tyler Bozak and Kris Versteeg had the other goals for the Maple Leafs.
Brad Richards scored for Dallas.
