Celtics' Al Horford, Robert Williams III out vs. 76ers
Boston Celtics centers Al Horford and Robert Williams III will miss Wednesday night's game against the visiting Philadelphia 76ers. Horford is dealing with swelling in his right knee, while Williams is nursing a left ankle sprain. Grant Williams, Blake Griffin and Luke Kornet are expected to see increased roles in the frontcourt with Horford and Robert Williams out. Horford, 36, is averaging 9.1 points and 6.1 rebounds