Nick Lappin and Kyle Palmieri scored in the second period to lead the Devils to a 4-2 victory over the Sabres on Saturday night at Prudential Center.
Kyle Quincey and John Moore also scored for the Devils, and Cory Schneider stopped 21 shots. Taylor Hall, Adam Henrique and Damon Severson had two assists each as New Jersey completed a sweep of the two-night, home-and-home set and won its season-high fourth straight.
Marcus Foligno and Matt Moulson scored for the Sabres, who have lost four straight. Robin Lehner finished with 23 saves.
Lappin gave the Devils a 2-1 lead at 6:11 of the second as he took a pass from Hall on a 2-on-1 and fired a shot past Lehner for his second career goal.