Good news is it isn’t his knee.
Thibs: Derrick didn't participate in shootaround, game-time decision for tonight's home opener vs. NY.
— Aggrey Sam (@CSNBullsInsider) October 31, 2013
Derrick has a stiff neck, says nothing wrong with his knee.
— Aggrey Sam (@CSNBullsInsider) October 31, 2013