not so sure that its as simple as weight, instincts or position. I happen to think he doesn't seem to have it upstairs. Nothing will get you doghoused or ****canned faster than missing assignments on the field. Put him on special teams, point him in the direction of the runner and and set him free, that's what he does best.
How much you wanna make a bet I can throw a football over them mountains?... Yeah... Coach woulda put me in fourth quarter, we would've been state champions. No doubt. No doubt in my mind.