Anaheim sealed its second-straight NHL Pacific Division title by beating San Jose 5-2 and moving to the top of the Western Conference.
Anaheim's Patrick Maroon scored twice and John Gibson made 36 saves for the Ducks who scored three goals in the third period to seal their first-ever back-to-back division titles.
Elsewhere, Chicago's Patrick Sharp set up Marian Hossa's tying goal in the final minute of regulation and then scored the game-winner 43 seconds into overtime to lift the Blackhawks to a 3-2 win over Montreal.
Pittsburgh's Jussi Jokinen scored in regulation and then got the game-winner in the shootout to give the Penguins a 4-3 win over Detroit.
Columbus sealed only the second playoff berth in franchise history by beating Dallas 3-1.
The Blue Jackets started the night 1-0 up, as it was the resumption of a game that was postponed a month ago when Rich Peverley collapsed with heart trouble.
Calgary's Sean Monahan scored in regulation and the shootout as the surging Flames beat Los Angeles 4-3 for their fourth-straight win.