The Portland Trail Blazers needed overtime to secure a win over the Toronto Raptors, giving them their fourth straight victory in the NBA.
The Blazers came from behind in the fourth to lead late on, but Amir Johnson added a jump shot in the final seconds for the Eastern Conference leaders to send the game into overtime.
Damian Lillard and Wesley Matthews edged Portland in front in the extra spell, ensuring that the visitors became the first team to win 26 games in the NBA this season.
The Golden State Warriors raced to a 40-point victory over the Philadelphia 76ers, keeping them at the top of the Western Conference.
The hosts were 15 points up by the end of the first quarter, and continued to build their lead throughout, with Marreese Speights leading the way with 23 points, while six of his teammates made double figures.
The Atlanta Hawks held off a comeback from the Cleveland Cavaliers to clinch their 23rd win of the campaign.
Both sides were missing key players, with LeBron James and Al Horford both sitting out, but Paul Millsap stepped up for the Hawks, finishing with 26 after the hosts had let a 17-point lead slip.
The Chicago Bulls suffered their first defeat in eight games as the Brooklyn Nets secured a narrow win at the United Center.
The home side were ahead early in the game, but Brook Lopez scored a season-high 29 to help the Nets take the lead shortly before the break.
The Memphis Grizzlies dominated the first half to clinch a win over the San Antonio Spurs, moving them onto a 23-8 record.
Mike Conley scored 16 of his 30 in the first quarter to make sure that the visitors were comfortably ahead early on, leaving the NBA champions too far behind in the second half.
The Dallas Mavericks cruised to an emphatic win over the Washington Wizards, giving them their 23rd victory of the season.
Monta Ellis returned from an ankle injury to score 20 points in a 27-minute spell, ensuring that the Mavericks inflicted the heaviest defeat of the season on the Wizards.
Kobe Bryant led the Los Angeles Lakers to their 10th win of the season as they dominated the first half against the Denver Nuggets.
The veteran shooting guard scored 23 points, while also adding 11 rebounds and assists as the visitors ended a three-game run without a win.
The New Orleans Pelicans ended the Phoenix Suns' six-game winning streak with a late push to secure a narrow win.
Tyreke Evans led the team with 24 points, including eight inside the final two minutes to ensure that the Suns did not complete a late comeback.
The Detroit Pistons picked up their third win in a row as they thrashed the Orlando Magic at the Amway Center.
Jodie Meeks came off the bench to lead the team, finishing the game with 34 points as the visitors pulled away before the break as well as adding a series of shots late on.
The Utah Jazz needed a late rally to secure a win over the Minnesota Timberwolves, leaving the visitors on a nine-game run without a win.
The Timberwolves were ahead late on after Shabazz Muhammad scored a career-high 30, but Gordon Hayward scored 11 of his 26 points inside the final four minutes to make sure of the win.
Results in full: Detroit Pistons 109-86 Orlando Magic, Cleveland Cavaliers 101-109 Atlanta Hawks, Brooklyn Nets 96-82 Chicago Bulls, San Antonio Spurs 87-95 Memphis Grizzlies, Phoenix Suns 106-110 New Orleans Pelicans, Washington Wizards 87-114 Dallas Mavericks, Los Angeles Lakers 111-103 Denver Nuggets, Minnesota Timberwolves 94-100 Utah Jazz, Toronto Raptors 97-102 Portland Trail Blazers, Philadelphia 76ers 86-126 Golden State Warriors
