Philadelphia beat their opponent after an overtime period on July 13 in Las Vegas.
Labaron Philon Jr. dropped the decisive basket.
NBA star Jaylen Brown was present at the game.
Philon and Charles Broome played frequently for the 76ers in summer league matchups of late.
LeBron James still has not said if he will remain or depart the Lakers.
His next move could reshape the player market.
Meanwhile, Kylain Mbappé is cleared to play after clearing a medical exam for the World Cup semifinal.