The Cleveland Cavaliers preserved their perfect record after four NBA games with a win over the Houston Rockets, while the San Antonio Spurs lost for the first time.
Reigning champions the Cavaliers handled the Rockets 128-120 in a shoot-out on Tuesday.
The Spurs were not so fortunate, stunned 106-91 by the Utah Jazz as San Antonio's winning start to the season came to an end.
Steph Curry and Kevin Durant guided the streaking Golden State Warriors past the Portland Trail Blazers 127-104.
The Miami Heat outlasted the Sacramento Kings 108-96 in overtime, while the Milwaukee Bucks trumped the New Orleans Pelicans 117-113.
CAVS ENJOYING BEST START TO A SEASON...
The Cavs held off the Rockets to improve to 4-0, their best start to a season in 16 years.
Kyrie Irving top-scored with 32 points, LeBron James posted 19 points and 13 rebounds, while Kevin Love had 24 points of his own.
A double-double of 41 points and 15 assists from James Harden was not enough to lift the Rockets.
SPURS TASTE DEFEAT
Wins over the Warriors, Kings, Pelicans and Heat had the Spurs soaring in 2016-17.
That was until the Jazz came to town, snapping the Spurs' 100 per cent record.
The Jazz and their three-point game proved the difference, after they managed a season-high 15 threes.
24,000 AND COUNTING FOR CARTER
CURRY, WARRIORS EXPLODE IN THIRD
It was a thing of beauty as reigning MVP Curry and the Warriors got going.
The Warriors used a mammoth 41-point third quarter to beat the Trail Blazers.
Curry scored 23 of those points, finishing with 28 in total.
Durant added 20 points in the road win.
MAGIC WIN LATE, PACERS BEAT LAKERS
The Orlando Magic rallied from 18 points down to topple the winless Philadelphia 76ers 103-101.
Serge Ibaka made a pair of free throws with 1.4seconds remaining to give the Magic the win.
The Indiana Pacers were too good for the Los Angeles Lakers 115-108, the Minnesota Timberwolves defeated the Memphis Grizzlies 116-80 and the Detroit Pistons topped the New York Knicks 102-89.
STREAKING HAWKS, BULLS AND CLIPPERS SEEKING WINS
Boasting respective 3-0 win-loss record, the Atlanta Hawks, Chicago Bulls and Los Angeles Clippers are in action on Wednesday. The Hawks take on the Lakers, the Bulls meet the Celtics, while the Clippers clash with the Oklahoma City Thunder.