The Thunder, who won their sixth straight, snapped a season-high four-game winning streak for the Mavericks. It was Oklahoma City's second overtime win against Dallas this season.
Mavericks guard O.J. Mayo forced overtime by hitting a 3-pointer with two defenders in his face with 2.3 seconds left in regulation.
Mike James had put Dallas ahead with a 3-pointer in overtime, but his shot from well behind the arc in the final seconds of the extra period fell short.
Russell Westbrook, who scored 31, missed a free throw to give the Mavericks one more chance to tie, but Vince Carter's desperation 3 at the buzzer was short.
Carter led Dallas with a season-high 29 points.
Durant was 13 of 31 from the field and made all 21 free throws in the first 50-point game for an NBA player this season.
BULLS 100, CELTICS 99
BOSTON (AP) — Marco Belinelli made a game-winning jumper with 3.1 seconds left, Jimmy Butler scored six points in overtime and Chicago extended its Friday night road show by beating Boston.
Carlos Boozer had 19 points and 20 rebounds, and Joakim Noah added 14 points and 13 boards as the Bulls won their 14th straight road game on a Friday. They haven't lost since April 2011.
Rajon Rondo scored a season-high 30 points for Boston before fouling out with 1:16 to play in overtime.
Kevin Garnett had 16 points and Paul Pierce passed former Celtics star Robert Parish for 22nd on the NBA's career scoring list by chipping in 13 points. Pierce has 23,342 points and Parish 23,334.
Brandon Bass added 13 points for Boston, which lost for the second time in eight games.
Richard Hamilton had 20 points for the Bulls, who have won four of five.
Jason Terry's jumper pushed Boston ahead 99-98 in OT before Belinelli's game-winner just to the left of the foul line.
NETS 94, HAWKS 89
NEW YORK (AP) — Deron Williams scored 24 points, making four free throws in the final 43.4 seconds, and Brooklyn beat Atlanta to earn a split of their home-and-home series.
Brook Lopez added 20 points for the Nets, who bounced back from a 109-95 loss in Atlanta on Wednesday that snapped their seven-game winning streak. Former Hawks guard Joe Johnson finished with 18 points and Reggie Evans grabbed 20 rebounds as the Nets beat the Hawks for the first time in seven meetings.
Jeff Teague had 21 points and 10 assists for the Hawks, who played without starting centre Al Horford and lost key reserve Lou Williams to a serious-looking right knee injury. Former Nets guard Devin Harris scored 17 and Josh Smith had 12 points and nine rebounds in his return from a one-game suspension, but shot just 5 of 15.
The Hawks were only 5 of 22 from the field in the fourth quarter and lost for the seventh time in nine games.
SPURS 95, WARRIORS 88
SAN ANTONIO (AP) — Tim Duncan had 24 points and 10 rebounds, and San Antonio held off Golden State to extend its home winning streak to 14 games.
Tony Parker added 25 points and eight assists for the Spurs (31-11), an NBA-best 18-2 at home. Tiago Splitter added 19 points and nine rebounds, and Danny Green scored 13.
David Lee had 22 points, Klay Thompson added 21 and Jarrett Jack 20 for Golden State (23-15).
The Spurs closed the game on a 9-4 run after Harrison Barnes' jumper pulled the Warriors to 86-84 with 5 minutes left.
Duncan had eight points in the final quarter, going 4 for 6 from the field.
GRIZZLIES 85, KINGS 69
MEMPHIS, Tenn. (AP) — Mike Conley scored 19 points, Marc Gasol added 18 points and 10 rebounds, and Memphis snapped a three-game losing streak with a victory over Sacramento.
All five Memphis starters were in double figures. Tony Allen had 14 points, nine rebounds and six assists, Rudy Gay scored 15 and Marreese Speights finished with 10 points and nine rebounds.
DeMarcus Cousins was the only Sacramento player in double figures with 22 points and 12 rebounds as the Kings, limited to 34 per cent shooting, had their two-game winning streak stopped.
The Grizzlies played without forward Zach Randolph, who sat out with a back strain.
PACERS 105, ROCKETS 95
INDIANAPOLIS (AP) — Paul George scored 31 points and David West had 20 points and 11 rebounds to lead Indiana past Houston.
The Central Division-leading Pacers (25-16) have won 11 straight home games — their longest streak since winning 14 in a row in 2002-03 — and tied New York for the second-most wins in the Eastern Conference.
Houston (21-20) has lost six in a row overall and five consecutive road games. The Rockets were led by Omer Asik with 22 points. James Harden added 17, but ended a career-best streak of 22 straight games with 20 or more points.
76ERS 108, RAPTORS 101, OT
PHILADELPHIA (AP) — Jrue Holiday had a career-high tying 33 points and 14 assists, including all 12 of Philadelphia's points in overtime, and the 76ers overcame a 19-point second-half deficit to defeat Toronto.
Thaddeus Young added 27 points and 14 rebounds while Spencer Hawes and Lavoy Allen had 12 apiece for the Sixers.
Ed Davis had 18 points and 10 rebounds for the Raptors. Terrence Ross and Alan Anderson each scored 18.
Kyle Lowry had 11 points and 11 assists before fouling out for Toronto, which fell to 4-17 on the road. The injury-depleted Raptors lost their fourth in a row.
A basket by Hawes cut it to 96-94 with 5 seconds left in regulation, and a turnover by Jose Calderon gave the Sixers one last chance. Holiday delivered with a tough drive and layup with 1.1 seconds left to force overtime.
BOBCATS 106, MAGIC 100
ORLANDO, Fla. (AP) — Kemba Walker had 25 points and eight rebounds, and Gerald Henderson added 17 points as Charlotte beat Orlando to snap a five-game losing streak.
The Bobcats evened the season series with the Magic and now return home for four consecutive games, beginning with Sacramento on Saturday.
Charlotte started fast and shot the ball well throughout, with its field goal percentage hovering above 50 per cent for most of the night. The Bobcats also shot 17 more free throws than Orlando, including some crucial ones in the final minute to secure the victory.
Arron Afflalo led the Magic with 23 points, followed by Jameer Nelson with 22.
Orlando has lost its last six games against teams with records below .500.
WIZARDS 112, NUGGETS 108
DENVER (AP) — Bradley Beal scored 23 points, John Wall blocked Ty Lawson's attempt for a tying layup in the final seconds and Washington held off Denver to snap an eight-game road losing streak.
Kevin Seraphin added 18 points while Wall and Trevor Ariza scored 14 apiece for the Wizards, who picked up their second win away from home this season. They entered a league-worst 1-16 on the road.
Wall also had 12 assists. Nene had seven points for Washington in his return to Denver, where he played for nearly 10 years before being sent to Washington last March as part of a three-team trade.
Lawson scored 29 points to lead the Nuggets, who lost at home for only the third time in 18 games. He had made 10 consecutive shots from the floor before Wall rejected his layup in the final moments.Suggest a correction