Quinn was kind of a one trick pony and now his back injury has robbed him of that trick.
Quinn was a Ferrari. When everything is right and tuned perfectly he is superstar, but he spends to much time in the shop. And you don't take a Ferrari on a rough road. Here's a quote from Boylhart on Quinn before the draft: "He likes to pass rush; however, as I said before, once he is engaged or doubled teamed, he does not fight to make a play."
~ max ~
“The consciousness of good intentions disdains ambiguity.” - Alexander Hamilton