PITTSBURGH: Pascal Dupuis had two goals as the Pittsburgh Penguins moved closer to clinching home-ice advantage in the first round of the playoffs with a 4-2 win over the New Jersey Devils Tuesday. Jordan Staal and Chris Kunitz also scored for the Penguins, who won their regular season home finale to move three points ahead of fifth-place Tampa Bay in the Eastern Conference standings with two games to play. The Lightning lost 4-2 at Buffalo. Pittsburgh remained three points behind conference-leading Washington, which won 3-2 in a shootout at Toronto. David Steckel and Brian Rolston scored for the Devils, who were officially eliminated from playoff contention with their defeat to Montreal on Saturday. Capitals 3, Maple Leafs 2: At Toronto, Mike Knuble scored in the fourth round of the shootout to lift Washington past Toronto. Canadiens 2, Blackhawks 1: At Montreal, P.K. Subban scored a power-play goal at 1:19 of overtime and Montreal clinched a playoff spot. Predators 6, Thrashers 3: At Nashville, Tennessee, Jordin Tootoo and Sergei Kostitsyn each had two goals and an assist as Nashville moved closer to clinching a playoff berth. Senators 5, Flyers 2: At Ottawa, Jason Spezza had a goal and three assists to lead Ottawa over Philadelphia. Stars 3, Blue Jackets 0: At Dallas, Kari Lehtonen made 23 saves for his 17th career shutout, Steve Ott scored his second goal in 25 games on the power play, and Dallas pulled closer to the final Western Conference playoff spot. Blues 3, Avalanche 1: At St. Louis, Kevin Shattenkirk had a goal and an assist against his former team, and Andy McDonald added a goal and two assists as St. Louis beat Colorado. Sabres 4, Lightning 2: At Buffalo, New York, Thomas Vanek scored three times to lead Buffalo within a point of clinching a playoff berth. Oilers 2, Canucks 0: At Edmonton, Alberta, Devan Dubnyk made 26 saves, and Ryan Jones and Magnus Paajarvi scored as last-place Edmonton beat first-place Vancouver for the second consecutive game.