Australian star Ben Simmons has scored 15 points and had a game-high eight assists in the Philadelphia 76ers' NBA win over Washington.
All-Star centre Joel Embiid had 27 points to go with 12 rebounds in the 115-102 home victory which snapped the Wizards' five-game win streak.
Dario Saric scored 20 points and JJ Redick added 18 as Philadelphia maintained eighth spot in the eastern conference with a 26-25 win-loss record.
The Wizards, led by 30 points from Bradley Beal, lost their first game since losing chief playmaker John Wall to injury.
In Florida, LeBron James's Cleveland Cavaliers slumped to their ninth loss in a month after squandering a 21-point lead to cellar dwellers Orlando.
James top scored for the Cavs with 25 points but he was virtually a bystander in the final 20 minutes as the Magic ran out 116-98 victors.
Led by a blistering 22-point third quarter from Jonathon Simmons, Orlando piled on 65 points in the second half - Simmons scored a career-high 34 points for the match.
"I didn't even know," he said.
"My teammates found me and I was able to make plays. I just found the lanes."
The Cavs, who still led by 16 points early in third, shot just three of 18 shots in final quarter - scoring just nine points.
Compounding Cleveland's worries, coach Tyronn Lue fell ill and didn't return from the locker room after being taken there midway through the second quarter.
Australian centre Aron Baynes (six points, eight rebounds) shot three from eight but collected the most boards for Boston in their 111-91 away loss to Toronto.
Kyle Lowry top-scored for the Raptors with 23 as the Celtics' four-game winning streak was broken.
Toronto are just two games behind the eastern conference-leading Celtics.
Giannis Antetokounmpo scored 23 points and produced a highlight alley-oop slam dunk when he jumped over Tim Hardaway Jr. in Milwaukees' 103-89 victory over the New York Knicks.
Australian centre Thon Maker had seven points, three rebounds and two blocks, in a rare start for the Bucks.
The Knicks were hampered by a season-ending knee injury suffered by big man Kristaps Porzingis.
Porzingis tore the anterior cruciate ligament in his left knee midway through the second quarter when fouled by Antetokounmpo.
Attempting to dunk, he came down on Antetokounmpo's foot as he landed, collapsed to the floor clutching his left leg and will require surgery that is expected to keep him sidelined until next season.
Houston Rockets guard James Harden joined an elite club of players who have scored 15,000 NBA points when he scored 36 points in Houstons' 123-113 win over Brooklyn.
The Rockets (39-13) have now won five in a row as they challenge Golden State (41-12) for top spot in the west.
Atlanta beat the turnover-plagued Memphis Grizzlies 108-82, while Los Angeles forward Brandon Ingram scored 26 points and Julius Randle added 21 as the Lakers scored a 112-93 victory over the Phoenix Suns.
The Lakers have now won three in a row and 11 of their last 15.
And in the late game, Russell Westbrook scored 21 of his 34 points in a dominant first quarter, helping the Oklahoma City Thunder build a lead they would never relinquish en route to a 125-105 victory over the Golden State Warriors.