Ben Simmons had 24 points, nine assists and eight boards as the 76ers beat the Celtics 107-93 in the season opener in Philadelphia.
Joel Embiid contributed 15 points and 13 rebounds, and Tobias Harrris had 15 points and 15 boards.
Josh Richardson went 9-for-9 from the line and finished with 17 points for the Sixers, who had all five starters score in double-figures.
Gordon Hayward led Boston with 25 points.
Jayson Tatum tallied 21 and 10 rebounds in the setback.
The Celtics have their opener Friday night against the Toronto Raptors.
(Photo by Maddie Meyer/Getty Images)