Pittsburgh Penguins shut out the Sabres
Kunitz scores two goals, Marc-Andre Fleury makes 18 saves for his second consecutive shutout in the NHL.
Chris Kunitz scored two goals and Marc-Andre Fleury needed to make just 18 saves in recording his second successive shutout as the Pittsburgh Penguins beat the Buffalo Sabres 5-0.
It was the fourth successive win for Pittsburgh (7-2-1), who have outscored opponents 19-3 during the streak.
Elsewhere, Peter Holland snapped a tie with a goal in the third period as Toronto defeated Chicago 3-2.
Nazem Kadri and James van Riemsdyk also scored for the Maple Leafs.
Elias Lindholm scored two first-period goals and Carolina went on to record their first victory of the season, defeating Arizona 3-0.
The outcome in front of 10,870 gave first-year coach Bill Peters his first victory as an NHL head coach.
Jason Garrison scored the game-winning goal at 2:27 of the third period to help Tampa Bay earn a 4-3 win against Washington.
Adam Larsson capped a furious third-period comeback with his first goal of the season, leading New Jersey to a 3-2 win over Columbus, who have lost five successive games.
The short-handed Florida Panthers are suddenly hot, earning at least one point for the sixth successive game by defeating Philadelphia 2-1.
Other results:
Bruins 4-2 Senators
Jets 1-0 Rangers