DiLeo, the son of former Sixers executive and coach Tony DiLeo, has worked his way up from player-development intern to leading the Summer Sixers in Las Vegas and Salt Lake City.

Norris, 25, has come off the bench for the Celtics during Summer League, playing in three out of their four games thus far. He scored 11 points on 5-for-11 shooting in the Thursday win over the Lakers ...