DeMar DeRozan led the San Antonio Spurs to a stunning victory over the defending champions, Toronto Raptors (104-105).
DeRozan posted a game-high 25 points (7/12 shooting) for the winners, along with eight rebounds and four assists.
The Spurs came back from an 18-point deficit late in the third quarter and went on a 4-27 run in the fourth quarter to win the game.
San Antonio improved to 17-21, whereas Toronto dropped to 25-14.
Pascal Siakam made a double-double (21 points, 14 rebounds) in his return to action, after missing 11 games with a groin injury.