William Nylander scored with 2.2 seconds to play in overtime as the Maple Leafs blanked the New Jersey Devils 1-0 for their fifth straight win.
Frederik Andersen made 42 saves for the Maple Leafs (13-7-0), including three huge ones in the extra period to give his team a chance to win it.
Corey Schneider stopped 24 shots for the Devils (11-4-3).
Leafs centre Auston Matthews was on the ice for optional morning skate but sat out his fourth straight game with an upper-body injury.
The Leafs are in Montreal tomorrow night.