A 13-point fourth-quarter lead against an undermanned Philadelphia 76ers squad wasn’t enough to earn the Celtics a win in their season opener.

Boston’s first game after its seismic offseason overhaul ended in a 117-116 loss at TD Garden.

Jaylen Brown and Derrick White – the only remaining starters from this team’s 61-win predecessor – each scored 25 points to lead the Celtics. New starting center Neemias Queta had 18 points on 7-of-8 shooting and eight blocks before fouling out late in the fourth quarter. Payton Pritchard and Anfernee Simons combined for 30 points, and both were on the court to close the game.

Sixers rookie VJ Edgecombe was terrific in his NBA debut (34 points, seven rebounds, three assists), but he missed two free throws with 8.5 seconds remaining to give the Celtics a

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