Maybe it'd be better to say Joakim Noah is hurting -- and leave it at that. Because Jo's clearly not right. Something is bothering him, something is holding him back. Smart money says it's probably something in his lower body, likely his surgically repaired left knee. Whatever the case may be, this much is obvious: the Bulls are better without Joakim Noah on the floor right now, in every imaginable way. Yes, there are other areas of concern, too. And we'll get to them. But first, let's just take a closer look at the real problem with playing Joakim Noah right now.