The Los Angeles Lakers slipped back to .500 following a 143-120 loss to the Philadelphia 76ers on Sunday at Wells Fargo Center in Philadelphia.
Playing in his second game with the Sixers following his trade from the Los Angeles Clippers, Tobias Harris scored 22 points on 9-of-14 shooting, including 3-of-5 from beyond the arc.
Joel Embiid had a big game (37 points, 14 rebounds) in the win.
LeBron James finished with 18 points, 10 rebounds and nine assists in his fourth game back since recovering from a groin strain.
The Celtics most recently threw away a 28-point lead in a 123-112 defeat to the Los Angeles Clippers on Saturday.