UNDATED (AP) — The Celtics beat the visiting Heat 100-98 in double overtime to snap a six-game losing streak. Paul Pierce hit a go-ahead jumper with 31 seconds left and finished with a triple-double of 17 points, 13 rebounds and 10 assists. Kevin Garnett had 24 points and 11 rebounds for the winners.

LeBron James scored 34 points and grabbed 16 rebounds to lead the Heat, who had their four-game winning streak snapped.

Afterwards, Boston players were told that All-Star guard Rajon Rondo (RAH'-zhahn RAHN'-doh) will miss the rest of the season due to a severe injury to his right knee. He was injured in Friday's double-overtime loss to Atlanta.

Also in the NBA, the struggling Lakers knocked off the league leading Thunder 105-96 in Los Angeles. Kobe Bryant had 21 points, 14 assists and nine rebounds and Steve Nash had seven of his 17 points in the final 5½ minutes. Pau Gasol (pow gah-SOHL') scored 16 points in a reserve role as the Lakers won for just the third time against the Thunder in their last 12 meetings. Kevin Durant scored 35 points and Russell Westbrook had 17 points, 13 assists and nine rebounds for the road-weary Thunder, who finished their longest trip of the season at 3-3.

— Ryan Anderson of the Hornets scored 22 points, connecting on seven 3-pointers, as New Orleans beat the Grizzlies in Memphis, 91-83. Fellow Hornets reserve Jason Smith was 5 of 7 from the field for 16 points, while Anthony Davis was the only New Orleans starter to finish in double figures with 10 points. Zach Randolph led Memphis with 20 points and 13 rebounds.

— Brandon Knight had a career-high 31 points, including five 3-pointers, as Detroit beat the Magic in Orlando, 104-102. Greg Monroe added 17 points to the Pistons cause. The Magic had a chance to tie the game in the closing seconds after a missed free throw, but missed three putback attempts as the final horn sounded. Orlando's J.J. Redick tied a career high with 31 points and set a career high with eight 3-pointers.

— Carmelo Anthony tied a franchise record with nine 3-pointers, then converted a go-ahead, three-point play with 12.5 seconds left to cap a 42-point night and lead the New York Knicks to a 106-104 victory over Atlanta. The Hawks shot a season-high 60 percent from the field but had their three-game winning streak snapped when Josh Smith, burned on Anthony's basket, missed a 3-pointer on Atlanta's final possession.

— Shawn Marion scored 18 points in his 1,000th game, Dirk Nowitzki (noh-VIHT'-skee) also had 18 while passing Allen Iverson on the career scoring list and the Dallas Mavericks beat the Phoenix Suns 110-95. It was the 10th straight home win for the Mavericks against the Suns, who haven't won in Dallas since March 14, 2007. Nowitzki passed Iverson for 18th on the NBA's scoring list with a third-quarter jumper.

— The Clippers are now 20-5 at home after a 96-83 win over Portland. Blake Griffin was high scorer for the Clips with 23 points, who are now 33-13 on the season.

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