The in-form Colorado Avalanche brought an end to the Pittsburgh Penguins' winning run with a 3-1 victory in the NHL on Wednesday.
Semyon Varlamov made 28 saves for the Avalanche, whose win made it six in their past nine.
The loss ended the Penguins' four-match winning streak, but they remain third in the Metropolitan division.
Jarome Iginla and Nathan MacKinnon scored in the second period for the Avalanche, who are struggling in the Western Conference.
Evgeni Malkin's goal in the third period gave the Penguins hope, but Gabriel Landeskog sealed the Avalanche's win.
The Senators made it eight wins in 11 matches with a 3-1 victory over the Winnipeg Jets.
Andrew Hammond stopped 35 shots, while Kyle Turris had a goal and an assist for the in-form Senators.
The Senators are just four points behind the Boston Bruins as they aim for a wildcard in the East, while the Jets hold one of the two wildcard spots in the West.
At Joe Luis Arena, the Detroit Red Wings needed an overtime goal from Marek Zidlicky to beat the New York Rangers 2-1.
Justin Abdelkader and Dan Girardi had traded first-period goals before Zidlicky stepped up in OT.
John Gibson made 37 saves to lead the Anaheim Ducks to a 3-1 victory over the Montreal Canadiens.