Max Pacioretty's goal with 5:39 left lifted the Toronto Maple Leafs to a 4-2 series-clinching victory over the host Ottawa Senators in Game 6 of their Eastern Conference first-round matchup on Thursday.

Jack Eichel was one of three Vegas players to tally a goal and an assist, and the Golden Knights held on for a 3-2 win over the Minnesota Wild to clinch their Western Conference first-round series on Thursday night in Saint Paul, Minn.

Colorado's Nathan MacKinnon broke a tie midway through the third period when Dallas scored an own goal, and the Avalanche beat the Stars 7-4 in Denver on Thursday to force Game 7 in their Western Conference quarterfinal series.

Connor Brown scored once in a three-point game and the Edmonton Oilers advanced to the second round of the Stanley Cup playoffs, again at the expense of the Los Angeles Kings, thanks to a 6-4 home-ice victory in Game 6 on Thursday.