This. The injury rate for smaller QBs is very high and it probably has to do with their bone structure. I remember Colin Cowherd bringing out statistics a while back on huge QBs like Bledsoe, Big Ben, Vinny Testeverde, etc vs. smaller QBs and their was damn near a direct correlation between size and injury rates.
Its funny that people want Vick to stay in the pocket more, but the last few injuries he has had were because he decided to make a play with his arm in the pocket. Either way he loses to critics. Damned if he do, damned if he don't