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Damian Lillard hit a 3-pointer at the buzzer, and the Portland Trail Blazers stunned the Houston Rockets 99-98 on Friday to take their playoff series in six games and advance to the Western Conference semifinals for the first time in 14 years.

In the raucous postgame celebration, Lillard took the public address microphone and shouted "Rip City!"

Portland, making its first playoff appearance since 2011, had been eliminated in the first round in its last six trips and hadn't advanced to the second round since 2000.

Dwight Howard made four consecutive free throws to tie the game at 91 before making a bank shot that put Houston ahead with 3:04 to go. Robin Lopez scored on a tip shot to give the Blazers a 94-93 lead with 2:15 left, setting up a wild finish.

Howard's layup and foul shot put the Rockets back up 96-94 before Nicolas Batum's fadeaway jumper tied it again with 39.9 seconds left. Chandler Parsons scored on a reverse layup with 0.9 seconds left to give Houston the lead.

Portland will face the winner of the series between San Antonio and Dallas.

LaMarcus Aldridge led the Blazers with 30 points and 13 rebounds.

James Harden led the Rockets with 34 points, and Howard had 26 points and 11 rebounds.

Mavericks 113, Spurs 111: Monta Ellis scored 12 of his 29 points to lead a fourth-quarter comeback, Dirk Nowitzki added 22, and Dallas forced a seventh game in its first-round series with top-seeded San Antonio.

The eighth-seeded Mavericks bounced back from consecutive losses by handing the Spurs their first road defeat when leading after three quarters this season.

Tony Parker scored 22 points, 13 in the fourth quarter, to lead the Spurs.

Dallas' DeJuan Blair had 10 points and 14 rebounds after missing Game 5 against his former team when he was suspended for kicking Tiago Splitter in the head.

Nets 97, Raptors 83: Deron Williams scored 23 points, shaking off a second-half injury, and Brooklyn forced a seventh game in its first-round series with Toronto.

Despite appearing to hurt his left foot or ankle early in the third quarter, Williams dominated his matchup with Kyle Lowry and helped the Nets put it away with a 3-pointer with 1:13 left that made it 92-79.

Game 7 is Sunday in Toronto.

  • Nets coach Jason Kidd was fined $25,000 by the NBA for comments he made about the officiating during a conference call with reporters Thursday.

    Grizzlies: Memphis forward Zach Randolph has been suspended for Game 7 of the Grizzlies' playoff series against Oklahoma City for punching Thunder center Steven Adams in the jaw. The ruling by the NBA leaves the Grizzlies without their leading scorer for the deciding game in Oklahoma City on Saturday night.

    Bulls: Center Joakim Noah is recovering after undergoing arthroscopic left knee surgery.

    Magic: Orlando exercised team options and extended the contracts of general manager Rob Hennigan and coach Jacque Vaughn. Both contracts will now run through the 2015-16 season.