Let's face it, Tim Tebow will not be an NFL QB. Don't get me wrong, he is a great NFL quarterback, but not NFL quality.
First, he runs a run-option offense. What team do you know in the NFL runs this offense? It's going to take him a long time to learn an NFL offense.
This brings me to the run. He's big, very strong, and mobile. At 6-3 and 235, once he starts moving it's hard to bring him down. He has all the works of a grade-A NFL fullback.
He lacks the precision of a basic NFL quarterback. He lacks in his mechanics and locks on his primary receivers. And that's what made him look good, his receivers their speed and ability made bad balls look perfect. He needs to become more of a pocket passer if he wants to succeed in the NFL as a quarterback. In the second halves of the LSU and Michigan games we saw how he was, and it twasn't at all what you would call Heisman candidate performances.