Should we be worried about the Celtics?

On today's TrueHoop Jarod Hector and David Thorpe discuss:

• Innovation for the NBA playoffs 
• The BBall Index roles and which players excel at multiple roles
• The Celtics have been a .500 team post All-Star break, is it time to worry? David thinks so. 
• The future of the Spurs, Pistons, Rockets and Pacers 

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