TOBIAS Harris scored 31 points, while Andre Drummond had 26 points and 22 rebounds as the Detroit Pistons defeated the Celtics, 118-108, on Monday in Boston (Tuesday, Manila time).
Reggie Jackson added 20 points, while Avery Bradley scored 13 in his return to Boston.
The Pistons improved to 13-6.
Marcus Smart came off the bench to lead the Celtics with 23 points.
Kyrie Irving had 18 points and was an assist shy of a double-double, while Marcus Morris chipped in 13 points.
The Celtics suffered only their fourth loss in 22 outings.