Sabers 6, Flyers 3Alex Tuch scored his second career hat trick to help Buffalo to a win against host Philadelphia.
Morgan Frost scored twice and Felix Sandstrom made 23 saves for the Flyers, who had their seven-game point streak snapped.
Avalanche 5, Stars 2Nathan MacKinnon had two goals, Mikko Rantanen had a goal and three assists, and host Colorado beat Dallas.
Ben Hutton, Zach Whitecloud and Brett Howden also notched goals for Vegas, which is 5-1-1 in its past seven games.
J.J. Moser and Milos Kelemen scored for the Coyotes (27-37-13, 67 points), who have dropped seven straight games (0-5-2).