Given how much depth the Boston Celtics have and the way Brad Stevens distributes minutes, they are much less dependant on any one player that the majority of the NBA. The Celtics feel that very few pieces are irreplaceable and the majority of the players are still fighting to define their role on the team.
The Celtics have a lot of young and talented players that they are hoping will become the kind of dominant player that will be needed to play 30+ minutes per game but that is currently not the case.
Avery Bradley led the team with 31.