Pittsburgh's Sidney Crosby had two goals and an assist during a five-goal second period that powered the Penguins to a 6-1 rout of the New York Rangers on Wednesday, cutting the gap at the top of the NHL's Metropolitan Division to two points.
Ottawa's Mark Stone and Erik Karlsson scored 2:24 apart in the third period, helping the Senators rally to win 4-3 at NHL-leading Montreal on Tuesday.
The New York Rangers rallied from an early two-goal deficit to win 5-2 at Pittsburgh on Monday, opening a four-point gap on the Penguins in the fight for top spot in the NHL's Metropolitan Division.
Vincent Trochek and Aleksander Barkov scored in the shootout to lift the Florida Panthers over the New York Rangers 3-2 at Madison Square Garden in the NHL on Sunday.
Connor McDavid got his first career hat trick, helping the Edmonton Oilers beat the Dallas Stars 5-2 on Saturday night to end a five-game losing streak.
Matt Calvert returned from taking a slap shot to his forehead that required about 30 stitches and scored a tiebreaking goal in the third period to lift the Columbus Blue Jackets to a franchise-record seventh straight home win, 4-2 over the New York Rangers on Friday.
Mikael Granlund scored with 44.5 seconds left, Devan Dubnyk stopped 25 shots for his league-leading fourth shutout, and the Minnesota Wild beat the Boston Bruins 1-0 Thursday night.
Washington's Nicklas Backstrom had two goals and three assists as the Capitals swept past Pittsburgh 7-1 on Tuesday in one of the more one-sided games in the history of the two Metropolitan Division rivals.
Florida's Aaron Ekblad broke his stick on an awkward slap shot that sneaked by Montreal goaltender Carey Price in overtime, giving the Panthers a 4-3 win against the NHL-leading Canadiens on Tuesday.
Andrei Vasilevskiy made 34 saves and J.T. Brown and Ryan Callahan scored 42 seconds apart in the first period as the Tampa Bay Lightning beat the New York Islanders 4-0 on Monday night.