I believe it was a few weeks ago that someone said it was a lower back/hip issue that had been troubling him for about a month at that point. Not sure if it's still an issue though. Can be extremely finicky with those kind of injuries.
What game was it that he hurt his back and got up gingerly? LSU maybe?
Came back but to me he looked like he was still hurting. That back stuff lingers too.
Fwiw Barnes was quick to shoot down an injury as to what is ailing GW, now maybe thats just his style not to use injury as an excuse but he was adamant that he wasnt suffering from an injury.