Center John Tavares scored just 15 seconds into overtime Sunday afternoon as New York Islanders edged the Washington Capitals 2-1 in Game 3 of the Eastern Conference quarterfinals at a delirious Nassau Coliseum.

Left winger Brandon Saad scored the tiebreaking goal to lift the Chicago Blackhawks to a 4-2 win against the Nashville Predators on Sunday afternoon.

Montreal took a commanding 3-0 series lead over the Ottawa Senators when winger Dale Weise scored his second of the night at 8:47 of overtime to give the Canadiens a 2-1 victory Sunday night at Canadian Tire Centre.

Rookie center Sam Bennett scored his first NHL goal, and goalie Jonas Hiller made 23 saves as the Calgary Flames beat the Vancouver Canucks 4-2 to take a 2-1 lead in the teams' first-round Western Conference playoff series.