...to injury?
I remember it looked like his ankle was twisted awkwardly twice during one of his runs, when he was making a cut that put him out... but he's been struggling to stay healthy this past while.
I hope it's not from his add'l 20lb gain since last year that was supposed to help him absorb more blows effectively this season. I really feel he is a 1000yd rusher if he can just stay healthy...