KEY HIGHLIGHTSToronto Maple Leafs make Ottawa Senators' lack of discipline pay with three power-play tallies Auston Matthews, Mitch Marner and William Nylander impress in a dynamite offensive showing Ottawa Senators' playoff inexperience evident in expensive penalties and defensive collapse The Toronto Maple Leafs clinched a 6-2 win against the Ottawa Senators in Game 1 of their opening-round NHL playoff series.

The Maple Leafs and Senators got into multiple scraps late in Toronto’s 6-2 Game 1 home win Sunday night in the first round of the NHL playoffs. At the end of an ugly night in which Ottawa gave up three power-play goals, the Senators and Leafs started pushing and shoving each other after a whistle with 43.7 seconds left in the game.