Ryan Suter's goal 16 seconds into overtime gave the Nashville Predators a 4-3 win over the Detroit Red Wings on Saturday and a spot in the playoffs.
J.P. Dumont, Shea Weber and Martin Erat also scored for the Predators. Pekka Rinne made 28 saves.
Pavel Datsyuk had a goal and an assist, and Brian Rafalski and Nicklas Lidstrom also scored for Detroit, which had its seven-game winning streak snapped. Jimmy Howard stopped 20 shots, and Tomas Holmstrom assisted on all three goals for Detroit.
Penguins 4, Thrashers 3, OT
At Pittsburgh, Jordan Leopold scored his first goal for Pittsburgh at 3:50 of overtime after Atlanta failed three times to hold leads.
Evgeni Malkin had a goal and an assist after sitting out five consecutive games and seven of eight with a bruised right foot, and Sidney Crosby had three assists.
Sergei Gonchar, out for four games with strep throat, tied it on a power play with 74 seconds remaining in regulation and had an assist. Leopold won it with his eighth goal overall and first since Jan. 31 with Florida.
The Thrashers, desperately trying to stay in the Eastern Conference playoff race, took leads on goals by Maxim Afinogenov, Tim Stapleton and Rich Peverley, but the Penguins answered each time.
Islanders 4, Senators 1
At Uniondale, New York, Martin Biron had 28 saves for the New York Islanders, who snapped Ottawa's six-game winning streak.
John Tavares, Dylan Reese and Jack Hillen each scored goals in the second period to start the blowout. Sean Bergenheim added a goal in the third, and Blake Comeau and Richard Park each had two assists for New York.
Matt Cullen's close-range goal late in the game ended Biron's bid for his 27th career shutout.
Rangers 4, Panthers 1
At Sunrise, Florida, Marc Staal, Brandon Prust and Chris Drury scored in the third period to lead the surging New York Rangers to a comeback win over Florida.
Marian Gaborik added an empty-netter with a minute left, and Henrik Lundqvist made 19 saves for the Rangers, who earned their fifth win in six games (5-0-1). It was New York's first win this season when trailing after two periods.
The Rangers moved into a points tie with eighth-place Philadelphia in the Eastern Conference playoff race.
Keith Ballard scored the lone goal for Florida, which was eliminated from postseason contention.
Bruins 2, Maple Leafs 1, OT
At Toronto, Miroslav Satan scored 3:25 into overtime as Boston beat Toronto to maintain its small cushion in the tight Eastern Conference playoff race.
Satan had both goals for Boston, which has scored just five times in four games.
Colton Orr had the lone goal for the Maple Leafs.
Canadiens 3, Sabres 0
At Montreal, Jaroslav Halak recorded his second shutout in two nights as Montreal got two key goals from unexpected sources in a win over Buffalo.
Halak stopped 29 shots for his fifth shutout of the season. Montreal recorded consecutive blankings for the first time in four years.
The Canadiens got out to a 2-0 lead on rare goals by Ryan O'Byrne and Tom Pyatt.
Sergei Kostitsyn scored in the third for the Canadiens, who are sixth in the Eastern Conference.
Ryan Miller made 35 saves for Buffalo, which missed an opportunity to clinch the Northeast Division title.
Devils 4, Hurricanes 0
At Raleigh, North Carolina, Dainius Zubrus and Patrik Elias scored first-period goals for New Jersey, which beat Carolina and moved into a flat-footed tie with Pittsburgh atop the Atlantic Division.
Martin Brodeur made 26 saves to record his NHL-record 109th shutout and 599th victory.
The Devils (45-26-7) also got third-period goals from Zach Parise and David Clarkson. New Jersey is 31-1-1 when leading after two periods.
Capitals 3, Blue Jackets 2
At Columbus, Ohio, Alexander Semin, Tomas Fleischmann and Mike Green scored first-period goals for Washington in a win against Columbus.
Jose Theodore made 34 saves.
Washington set a franchise record with its 51st win of the season. The victory also drew the Capitals nearer to clinching the Presidents' Trophy for the best record in the NHL. They need only another win or a San Jose loss to grab that trophy for the first time _ and home ice throughout the playoffs.
Antoine Vermette had two goals, and Rick Nash added two assists for the Blue Jackets.
The Caps added to their franchise record for points in a season (114) and set a mark for road wins (23).
Blues 2, Stars 1
At St. Louis, Carlo Colaiacovo's 26th NHL goal, scored midway through the third period, was the difference in St. Louis' victory over Dallas.
T.J. Oshie added his 17th goal for the Blues. Chris Mason, who has won 11 of his last 16 starts, stopped 24 shots.
The Stars got a power-play goal from Brenden Morrow. Kari Lehtonen made 21 saves.