Point guard Chris Paul returned from injury and the Los Angeles Clippers crushed the Philadelphia 76ers 123-78.
Paul, who missed the previous 18 games with a separated right shoulder, scored seven points, handed out eight assists and recorded four steals in 23 minutes.
Blake Griffin, who played 25 minutes and was not needed in the fourth quarter, led Los Angeles with 26 points and added 11 rebounds and six assists as the Pacific Division-leading Clippers (36-18) beat the 76ers for the fifth consecutive time.
Rookie guard Victor Oladipo scored 23 points and sparked a fourth-quarter turnaround, leading the Orlando Magic to a 93-92 victory over the Eastern Conference-leading Indiana Pacers.
The Magic (16-37) erased a 17-point, third-quarter deficit in beating the Pacers, who have the best record in NBA.
Indiana forward Paul George scored a game-high 27 points, but he missed a jumper in the final seconds that could have won the game.
Guard Lance Stephenson had 16 points and nine rebounds for the Pacers (39-11).
Kevin Durant posted 41 points, 10 rebounds and nine assists to lead the Oklahoma City Thunder to a 112-100 victory over the New York Knicks.
Durant came up one assist shy of his third triple-double this season.
The Knicks (20-31) trailed by just eight entering the third quarter but Oklahoma City (41-12) pulled away as Durant and forward Serge Ibaka helped push the lead to 15 with three minutes left in the contest.
Raymond Felton paced New York with 16 points, seven assists and seven rebounds.
The Chicago Bulls handed the Los Angeles Lakers their fifth consecutive home loss in a 92-86 defeat that saw Steve Nash once again succumb to injury.
Kirk Hinrich led the Bulls (25-25) with 19 points, while centre Joakim Noah and forward Taj Gibson scored 18 apiece Nash, who has been ailing with back and leg problems that have limited him to just nine games this season, left the contest in the third quarter with a leg injury and did not return.
Lakers downed again
He had been out since November before returning to play against the Minnesota Timberwolves on 4th February.
Mason Plumlee scored a career-high 22 points and grabbed 13 rebounds to help spark the Brooklyn Nets to a 93-81 victory over the New Orleans Pelicans.
The 6ft-11in forward/center wound up recording his second career double-double in just 28 minutes of action for the Nets (23-26).
Pelicans forward Anthony Davis had a game-high 24 points on 11-of-19 shooting, and he grabbed nine rebounds for New Orleans (22-28).
Dirk Nowitzki and the Mavs cruised to their fifth straight victory as they knocked off the Boston Celtics 102-91.
Dallas (31-21) moved into a virtual sixth-place tie with the idle Phoenix Suns, a half-game ahead of the also-idle Golden State Warriors.
Nowitzki scored 20 points and added five rebounds and four assists.
Power forward Nene scored 18 points and guard Bradley Beal had 16 as the Washington Wizards overcame the Sacramento Kings 93-84.
Beal made 4-of-5 attempts from three-point range, including two in the fourth quarter, as the Wizards (25-25) thwarted an attempted comeback by the Kings (17-34).
Guard Isaiah Thomas scored 30 points for the Kings.
Kyrie Irving fired in a game-high 28 points and the Cleveland Cavaliers earned an overtime 91-83 victory over the Memphis Grizzlies.
Irving sealed the Cavaliers' second consecutive win with four free throws in the last 30 seconds.
Cleveland (18-33) outscored the Grizzlies 13-5 in overtime while improving to 5-2 in overtime this season.
Guard Nick Calathes had a team-high 17 points and six assists for the Grizzlies.