Alex Ovechkin had two goals and an assist and then scored in the shootout for Washington, which rallied from an early three-goal deficit to beat Calgary, 5-4, in the Flames’ season opener.
Washington’s Michal Neuvirth, who replaced an ineffective Braden Holtby, made 27 saves and stopped Sven Baertschi and Jiri Hudler in the shootout.
BRUINS 3, LIGHTNING 1: Chris Kelly scored on a penalty shot, and Patrice Bergeron also had a short-handed goal as Boston opened defense of its Eastern Conference championship with a victory over Tampa Bay.
Kelly was hooked from behind about eight minutes in while Boston was killing off a penalty, and he converted the one-on-one with goalie Anders Lindback.
Boston also killed a 5-on-3 power play in the first period and another in the third.
KINGS 3, WILD 2: Anze Kopitar and Jeff Carter scored shootout goals for Los Angeles, which rallied to beat Minnesota in the season opener for both teams.
Carter and Drew Doughty scored regulation goals for Los Angeles, which had just 18 shots. Jonathan Quick made 29 saves for the Kings, including stops against Zach Parise and Mikko Koivu in the shootout.
Matt Cooke and Jonas Brodin scored in regulation for Minnesota.
BLUES 4, PREDATORS 2: David Backes had a goal and assist in the first period to lead St. Louis over Nashville as each team opened its regular season.
The Blues scored three times in the first 9:45 to jump in front 3-0 and chase goalie Pekka Rinne.
PANTHERS 4, STARS 2: Marcel Goc scored two third-period goals, and Florida spoiled Lindy Ruff’s debut as Dallas coach with a season-opening road victory.
The Panthers erased a 2-1 deficit with goals about 4? minutes apart. Goc’s goal followed the tying tally by 18-year-old Aleksander Barkov, the No. 2 pick in this year’s draft.
COYOTES 4, RANGERS 1: Radim Vrbata scored three goals, Mike Smith stopped 23 shots, and Phoenix opened its first season with an owner in four years by routing the New York Rangers. With NHL Commissioner Gary Bettman and the club’s new owners in attendance, the Coyotes turned a tight game into a one-sided contest behind Vrbata’s second straight hat trick — dating to last season — and fifth of his career.
SHARKS 4, CANUCKS 1: Justin Braun scored his first goal in more than 19 months to break a tie late in the second period and San Jose went on to beat Vancouver in the season opener for both teams.
Brent Burns, Patrick Marleau and Tommy Wingels also scored for the Sharks.