Jadeveon Clowney is one of the best pure defensive prospects to come through the NFL Draft is several years.

But the question teams will have about him have more to do with his physiological makeup than physical.

"There are two ways of thinking about it," said the first college director. "You could say, now, he's just going to playing the game, he doesn't need to worry about not getting hurt and making it anymore, and he'll feel more comfortable now that it's football only and he won't be concerned about the draft and he can just play ball like he did his first two years. Or you could say, 'Now that he's getting paid, is he gonna coast?' That's the question you have to answer."