Montreal 7, Ottawa 4
Max Pacioretty recorded his third hat trick of the season and added two assists as visiting Montreal scored seven consecutive goals to stun Ottawa.
Chicago 4, Columbus 3
Ben Smith scored with 3.9 seconds left in regulation to lift visiting Chicago to its 13th consecutive victory over Columbus.
New Jersey 2, Washington 1
Ryan Carter scored his first goal in 17 games to snap a tie with 4:54 remaining in the third period as host New Jersey improved to 3-0-3 in its last six contests.
Detroit 3, Buffalo 2
Daniel Alfredsson scored one goal and set up another as host Detroit built an early three-goal lead en route to its fourth consecutive victory.
Calgary 2, Florida 1
Mike Cammalleri recorded his 500th career point by scoring the go-ahead goal in the second period as visiting Calgary won its second straight contest.
Edmonton 3, Phoenix 2
Sam Gagner scored the tying goal in the final minute of regulation before netting the only tally in the fourth round of the shootout as visiting Edmonton handed Phoenix its fourth straight loss (0-2-2).
Nashville 5, Anaheim 2
Colin Wilson and Mike Fisher scored two goals apiece as visiting Nashville stalled Anaheim's drive to claim the top seed in the Western Conference.