Lightning shock Hawks
The Tampa Bay Lightning mounted a third period comeback as they beat the Stanley Cup champion Chicago Blackhawks 3-2 after a shootout.
Patrick Kane and Brandon Saad had fired the Hawks ahead in the opening 20 minutes but Martin St Louis and Teddy Purcell scored two goals in as many minutes to tie things up.
Valtteri Filppula was then the only man to find the target in the shootout after overtime could not separate the sides.
The Pittsburgh Penguins made it two wins from two as they downed the Buffalo Sabres 4-1.
Sidney Crosby, Chuck Kobasew, Chris Kunitz and Craig Adams scored for the Pens with Thomas Vanek responding for the Sabres.
The Toronto Maple Leafs also continued their perfect start to the season with a 5-4 shootout win over the Ottawa Senators in the Battle of Ontario.
Mason Raymond opened the scoring for the Leafs but Chris Conacher and Kyle Turris had the Senators 2-1 ahead before Nazem Kadri levelled things up.
Jared Cowen and Jason Spezza then opened a two-goal lead for the Sens but Joffrey Lupul and James van Riemsdyk led the fightback before Raymond and Tyler Bozak both scored in the shootout.
The Detroit Red Wings suffered their first defeat since moving to the Eastern Conference as they lost 4-1 to the Boston Bruins.
Torey Krug, Brad Marchand, Jordan Karon and Zdeno Chara netted for the Bruins with Henrik Zetterberg replying for Detroit.
The Montreal Canadiens got off the mark for the season with a 4-1 win over the Philadelphia Flyers.
Brian Gionta scored the only goal of the first two periods for the Habs before Lars Eller and Brendan Gallagher extended the lead to three in the third.
Vincent Lecavalier put the Flyers on the board shortly after but Rene Bourque sealed the win in the last minute.
Alex Chiasson scored the winner midway through the second as the Dallas Stars beat the Washington Capitals 2-1.
Alex Ovechkin had opened the scoring in the first but Erik Cole responded shortly after.
Mark Letestu and Cam Atkinson were successful in the shootout for the Columbus Blue Jackets as they beat the New York Islanders 3-2.
The St Louis Blues had seven different scorers as they routed the Florida Panthers 7-0. Jaroslav Halak stopped 19 shots to record his shutout.
Mathieu Perreault scored an overtime winner to hand the Anaheim Ducks a 4-3 victory over the Minnesota Wild.
The Wild had trailed 3-1 but Zach Parisse grabbed his second goal in the third stanza to force the extra period.
The Sedin twins were up to their usual tricks as the Vancouver Canucks eased to a 6-2 victory over the Edmonton Oilers.
Daniel had a goal and an assist while Henrik recorded three assists to leave Dallas Eakins still looking for his first win as Oilers head coach.
Thomas Hertl scored twice in the first period to help guide the San Jose Sharks to a 4-1 win over the Phoenix Coyotes.
Patrick Marleau and Logan Couture also scored for the Sharks with Oliver Ekman-Larsson adding a marker for the Coyotes.