Senators 2, Lightning 1

Linus Ullmark made 32 saves, Shane Pinto and Jake Sanderson scored and Ottawa beat Tampa Bay with the Lightning failing to to wrap up a playoff spot on the ice.

Tampa Bay would secure the playoff spot if Colorado beats Columbus later Thursday. Pinto opened the scoring for the Senators with 6:15 left in the first period, and Sanderson made it 2-0 on a power play at 5:17 of the second. Brandon Hagel got one back for Tampa Bay at seven minutes of the second.

Andrei Vasilevskiy stopped 17 shots for Tampa Bay, playing the second game of a four-game trip. The Lightning had won four in a row.

Canadiens 4, Bruins 1

Nick Suzuki and Brendan Gallagher each had a goal and an assist, Sam Montembeault made 18 saves and Montreal beat Boston for its third straight victory.

Christian Dvorak and Cole Caufield — with his team-leading 35th — also scored for Montreal. The Canadiens hold the second wild-card spot in the Eastern Conference, two points ahead of the New York Rangers.

Stars 5, Predators 1

Jake Oettinger made 28 saves and Dallas beat Nashville for its seventh straight victory.

Mikael Granlund, Mason Marchment, Roope Hintz and defenseman Lian Bichsel scored for Dallas. The Stars are second in the NHL behind Western Conference and Central Division rival Winnipeg. Stars captain Jamie Benn sat out, with coach Pete DeBoer saying before the game it was for “maintenance.”

Blues 5, Penguins 4, OT

Robert Thomas scored a power-play goal in overtime and St. Louis tied a franchise record with its 11th consecutive win over Pittsburgh. Jake Neighbours scored twice and Pavel Buchnevich and Jordan Kyrou also scored for the Blues. Joel Hofer made 24 saves as St. Louis set a franchise record with its 10th straight home win. Bryan Rust, Rickard Rakell and Rutger McGroarty each had a goal and an assist and Connor Dewar also scored for the Penguins. Tristan Jarry made 14 saves as Pittsburgh lost its fourth straight road contest.