Derek Harper scored eight of his 19 points during a 15-2 run to open the final quarter Friday night as the Dallas Mavericks broke a nine-game regular-season losing streak against the Los Angeles Lakers with a 99-86 victory.

Harper hit two 3-pointers and a driving layup during a 3:07 span at the start of the fourth quarter as the Mavericks extended a 69-68 lead to 84-70.The struggling Lakers lost for the fifth time in seven games this season and had their string of six straight victories at Reunion Arena ended.

The Mavericks, continuing to adjust to the loss of Roy Tarpley and Fat Lever, both of whom underwent knee surgery earlier this week, got 17 points each from Rolando Blackman and Herb Williams and had six players in double figures.

Byron Scott led the Lakers with 23 points. James Worthy added 21 and ex-Maverick Sam Perkins, heavily booed by the Reunion Arena crowd, had 18 for the Lakers.

Dallas overcame an eight-point deficit by outscoring Los Angeles 9-2 over the final minute of the third period for a 69-68 lead. The Mavericks shot 65 percent from the field in the third quarter.

Los Angeles held a 47-44 halftime lead behind 14 first-half points from Perkins and Worthy, despite shooting 40 percent from the field as a team.

Pistons 105, Nets 96

At East Rutherford, N.J., Isiah Thomas had 9 of his 18 points and 4 of his 14 assists as the Detroit Pistons outscored New Jersey 35-18 in the first quarter and coasted to victory.

The Pistons opened and closed the quarter with 11-2 and 13-4 runs, and the Nets played catchup the rest of the night. Detroit led 62-38 at the half and by as many as 26 points early in the third quarter.

Pacers 106, Heat 80

At Indianapolis, Reggie Miller scored 17 points and Indiana snapped a three-game losing streak whipping cold-shooting Miami.

The Pacers (4-4) avenged a 120-105 last weekend at Miami. The Heat (3-4) struggled throughout the first half, setting a team record for fewest field goals in a half with only 11 in the first two quarters. Miami made 29 of 93 shots for the game.

Hornets 119, Hawks 109

At Atlanta, Armon Gilliam had 24 points and 11 rebounds to lead Charlotte to a victory over Atlanta.

Johnny Newman and Rex Chapman added 22 points each for the Hornets, 4-5. J.R. Reid scored 19, while 5-foot-3 Mugsy Bogues had 14 points and 11 assists.

Cavs 99, Bucks 94

At Richfield, Ohio, Larry Nance scored 25 points, including five in a crucial 9-0 fourth-quarter run, and Winston Bennett came off the bench to sink two free throws with 17.2 seconds left to lead the Cleveland Cavaliers to a win over the Milwaukee Bucks.

Cleveland's nine straight points in the fourth quarter gave the Cavs a 94-84 lead, but the Bucks, with Alvin Robertson scoring all 10 points, went on a 10-2 run to move within 97-94 with 1:00 left. With 17.2 seconds left, John "Hot Rod" Williams injured his left foot on a drive to the basket and had to leave the game.

76ers 115, Bullets 102

At Philadelphia, Charles Barkley scored 35 points and grabbed 18 rebounds and Ron Anderson scored a pair of key baskets in overtime to lead the Philadelphia 76ers to a victory over the Washington Bullets.