Atlanta's Ilya Kovalchuk and Andy Sutton scored power-play goals, and Kari Lehtonen made 34 saves to give the Thrashers a 2-1 victory over the Senators at Ottawa.
Senator rookie Andre Meszaros scored an unassisted goal 14:50 into the second period, but Kovalchuk tied the score about three minutes later with his 37th goal, moving him into the league lead.
The Thrashers were outshot, 35-22.
Tampa Bay 5, Carolina 3 -- John Grahame came off the bench early in the second period to make 28 saves for the Lightning at Tampa, Fla.
Montreal 3, Buffalo 2 -- Alex Kovalev scored twice, including the winner 39 seconds into overtime, for the Canadiens at Buffalo, N.Y.