Even if he finds a new school where he can put up big numbers, I don't see him as an NFL starter. He may be a late round draft pick but he does not have the arm, the feet, or the processing to compete at that level. He's great at intermediate routes but has terrible touch on deep balls.
NFL QB's are a different breed. At the very least you have to process things quickly to make up for other shortcomings. DR has never shown the capacity to do that.
Let's put it this way: if a John Butler led defense was facing off against DR, I'd love our chances in locking him up.
