ANAHEIM, Calif. (AP) -- Tampa Bay scored four goals in the second period to overwhelm Anaheim 4-1 on Wednesday and reclaim a share of the lead in the NHL Eastern Conference.
The Lightning moved level with Montreal, which was denied by Ottawa's first-game goaltender. The Lightning and the Canadiens are four points ahead of division rival Detroit, which won in a shootout at Chicago.
Tampa Bay's Steven Stamkos scored his 31st goal of the season, and Anton Stralman, Tyler Johnson and Nikita Kucherov also netted for the Lightning.
Patrick Maroon scored the sole goal for the Pacific Division-leading Ducks, who have conceded at least four goals in four of their past five games. Regular goalie Frederik Andersen has missed the past four due to injury.
Detroit's Tomas Tatar scored in regulation and in the shootout, leading the Red Wings to a 3-2 victory at Chicago.
Gustav Nyquist also scored in the tiebreaker for Detroit, which went into the game with a record of only two wins from 10 shootouts this season. Darren Helm had a goal and an assist in regulation for the Red Wings.
Jonathan Toews gave Chicago the lead with a goal in the first round of the shootout, but Patrick Kane's backhander went off the crossbar, and Patrick Sharp was stopped by Howard on the final attempt.
Brandon Saad and Kris Versteeg scored in regulation for Chicago, but in the shootout, Patrick Kane's shot went off the crossbar and Patrick Sharp's final attempt was saved.
Ottawa goalie Andrew Hammond made an NHL debut to remember as he made 42 saves to help the Senators beat Montreal 4-2.
With regular starter Robin Lehner and backup Craig Anderson both injured, Hammond was called up and stopped the first 26 shots he faced.
Milan Michalek, Jean-Gabriel Pageau, Mark Stone and Kyle Turris scored for the Senators.
Max Pacioretty and Nathan Beaulieu had goals for the Canadiens.
Minnesota's Mikko Koivu scored 1:50 into overtime to give the Wild a 3-2 victory over Calgary.
Los Angeles extended its winning streak to six games with a 4-1 win at Colorado, with Jeff Carter scoring twice.
Edmonton defenseman Martin Marincin scored the lone shootout goal in the 12th round of the tiebreaker to give the Oilers a 4-3 win against struggling Boston.