The Associated Press

TORONTO - Ed Belfour stopped all 21 Ottawa shots, and he and the Toronto Maple Leafs shut out the Senators for the third time in the playoff series, winning 2-0 Friday night.

Tie Domi and Joe Nieuwendyk scored third-period goals for the Maple Leafs, who also won Games 3 and 4 of the best-of-7 series with shutouts. Toronto leads 3-2 and can advance to the second round by beating Ottawa on Sunday.

The Maple Leafs, who won despite missing captain Mats Sundin because of a left leg injury, have eliminated the Senators from the playoffs three times in four years.

The Senators outshot the Maple Leafs for the fifth straight game, but couldn't get the puck past Belfour.

He recorded his 14th career playoff shutout despite not having to make any spectacular saves.

Belfour rebounded after allowing four goals in a Game 4 loss and tied Tampa Bay's Nikolai Khabibulin for the most shutouts in this year's first round.

Fans chanted "Ed-die, Ed-die!" in the final seconds.

Domi, Toronto's enforcer, scored after his rebound deflected in off the skates of Ottawa forward Bryan Smolinski at 1:43 of the third.

Nieuwendyk, who missed Game 4 due to a sore back, gave Toronto a 2-0 lead at 15:18 after Ottawa defenseman Zdeno Chara missed a chance to tie it.

After Chara fanned on a one-timer in front of Toronto's net, Tomas Kaberle skated up ice on a two-on-one before passing to Nieuwendyk, who scored his third goal of the series.

Ottawa dominated the first period - outshooting Toronto 7-2.

The Maple Leafs almost scored midway though the second when a streaking Gary Roberts passed the puck toward the front of the net, but Ron Francis couldn't get a stick on it.

Ottawa's Marian Hossa skated in on a partial breakaway a few minutes later, but defenseman Ken Klee caught up to him and slapped the puck away just as Klee was about to shoot.

Senators forward Vaclav Varada skated in on a breakaway in the third, after going around defenseman Bryan McCabe, but he lost the puck before he could get off a shot.

Ottawa has outshot Toronto 155-100 in the series.

Ottawa center Radek Bonk limped off the ice after being hit in the leg by a slap shot in the second period.

Lightning 3, Islanders 2, OT

TAMPA, Fla. - Martin St. Louis scored 4:07 into overtime, giving Tampa Bay a victory that eliminated New York in the opening round of the playoffs for the third year in a row.

Despite being outplayed for much of three games on its home ice, the Lightning - the top-seeded team in the Eastern Conference, took the best-of-seven series in five games. They are in the second round for the second straight year and second time in team history.

Nikolai Khabibulin failed in his bid for an NHL-record fourth shutout in the series, but finished with 24 saves. His shutout streak was snapped at 145 minutes, nine seconds when Oleg Kvasha scored.

Tim Taylor and Ruslan Fedotenko scored late in the second period for Tampa Bay. Mark Parrish tied it with 12:32 left in regulation.

STARS: Hobey Baker winner Junior Lessard signed a one-year contract with Dallas. Lessard, coming off a Frozen Four appearance with Minnesota-Duluth, led the nation in scoring this past season with 63 points in 45 games, including two goals in the NCAA semifinal loss to national champion Denver.