The Boston Celtics made their best performance in the season and decimated the Golden State Warriors in Oakland (95-128).
The Celtics dominated the defending champions from the opening tip and closed the first half in front by 25 (48-73).
After that, Boston led by as many as 35 points and cruised to an easy victory on the road.
Five players scored in double figures for the winners, with Gordon Hayward leading the way with 30 points.
Stephen Curry (23 points) and Kevin Durant (18 points) stood out for the losing squad.
Boston improved to 39-26, whereas Golden State dropped to 44-20.