Ovechkin's OT goal dooms Ottawa
Alex Ovechkin scored with 31.1 seconds remaining in overtime, lifting the host Washington Capitals to a 3-2 victory over the Ottawa Senators on Monday night.
Flyers 4, Avalanche 2: Jeff Carter scored his second goal of the game with 2:38 left in the third period to lift host Philadelphia over Colorado.
Blackhawks 4, Sabres 3: Marian Hossa scored twice in visiting Chicago's win over Buffalo.
Penguins 3, Devils 1: At Newark, N.J., Alex Goligoski and Mark Letestu scored goals within a three-minute span covering the first and second periods to lead Pittsburgh over New Jersey.
Islanders 6, Rangers 4: At Uniondale, N.Y., Blake Comeau and P.A. Parenteau scored power-play goals 58 seconds apart late in the third period in a battle of New York teams.
Blues 5, Ducks 1: David Backes and Andy McDonald broke a 42-year-old franchise record by scoring 6 seconds apart early in the first period, and host St. Louis beat Anaheim.
Canucks 2, Panthers 1:Daniel Sedin scored two goals and host Vancouver beat Florida.