A Jeff Green basket in the final second of the game gave the Boston Celtics a 111-110 victory over the Miami Heat, ending the NBA champions' unbeaten home record in the 2013-14 season.
Green launched the ball over LeBron James to put the Celtics ahead for the first time since the start of the third quarter, after Gerald Wallace had brought Boston back into contention with a layup moments earlier.
The Indiana Pacers needed a solid second-half performance against the Brooklyn Nets to continue their 100% start to the season.
Paul George led the team as they edged ahead in the third quarter to beat the Nets by five points, giving the Pacers their seventh win from seven games.
The Los Angeles Clippers dominated the second half of their game against the Houston Rockets to seal their fourth win this year.
The home side had a nine-point lead at half time, but Blake Griffin, JJ Redick and Jamal Crawford were among the points as the Clippers quickly overturned the deficit before surging ahead.
The Dallas Mavericks made a fast start against the Milwaukee Bucks to clinch their first away win of the season.
Dirk Nowitzki and Monta Ellis led the charge in the first quarter, as the Mavericks opened up a 15-point lead by the end of the opening 12 minutes.
The Bucks fought back in the third quarter, but Nowitzki and Gal Mekel made sure that Dallas held on, restoring their lead in the fourth.
A strong finish helped the Atlanta Hawks inflict defeat on the Orlando Magic to maintain their unbeaten home record.
The home side looked to be opening up a comfortable lead in the third quarter, but Kyle O'Quin and Andrew Nicholson led the Orlando fightback, before Jeff Teague ensured that the Hawks pulled away again in the fourth.
The Toronto Raptors took their first home win in seven games, cruising to a 115-91 victory over the Utah Jazz.
Tyler Hansbrough led the team with a season-high 23 points to leave the Jazz without a win so far this season.
The Cleveland Cavaliers narrowly beat the Philadelphia 76ers in a high-scoring encounter at the Quicken Loans Arena.
The home side needed a last-gasp effort from Kyrie Irving, who finished the game with 39 points, to clinch the win, having overturned a 10-point deficit from the start of the fourth quarter.
LaMarcus Aldridge guided the Portland Trail Blazers to their second win over the Sacramento Kings in as many days, adding 22 points and 14 rebounds for the visitors.
The home side, who lost by 13 points to the Blazers on Friday, finished the game strongly to reduce the visitors' lead, but it was not enough to prevent the loss.
Zach Randolph led the Memphis Grizzlies to a solid 108-90 win over the Golden State Warriors.
Stephen Curry tried to start a Warriors comeback, leading the team in points and assists, but the visitors struggled to match their opponents' pace.
Results in full: Utah Jazz 91-115 Toronto Raptors, Orlando Magic 94-104 Atlanta Hawks, Indiana Pacers 96-91 Brooklyn Nets, Philadelphia 76ers 125-127 Cleveland Cavaliers, Boston Celtic 111-110 Miami Heat, Los Angeles Clippers 107-94 Houston Rockets, Golden State Warriors 90-108 Memphis Grizzlies, Dallas Mavericks 91-83 Milwaukee Bucks, Portland Trail Blazers 96-85 Sacramento Kings
