Milan Lucic scored twice in the first 10 minutes and the Boston Bruins spoiled New York goaltender Henrik Lundqvist's return after a long layoff with a 4-2 victory over the visiting Rangers on Saturday.
The Bruins snapped a six-game winless streak and moved one point ahead of Ottawa to sit in eighth place in the East.
Tuukka Rask left the game 10 seconds into the second period for Boston.
Maple Leafs 4, Senators 3 - Eric Brewer scored 3 minutes, 17 seconds into overtime to lift Toronto to a victory over visiting Ottawa.
Tyler Bozak had a third-period hat trick and added an assist on Brewer's winning goal as Toronto rallied from two down twice in the third period to snap a seven-game skid.