It's not too late to coach him to be on the balls of his feet when he throws. That is fundamental and he absolutely should be doing it.
I think we can design better running plays for him. With his size we should never be handing the ball to a running back 5 yards behind the LOS on 4th and 1/2. Florida ran Tebow almost EVERY time they needed 1-3 yards for 2 years--and he almost always got the first down. I remember a looong time ago, Kentucky had a very big, agile QB. They played us at Neyland, and they just ran the guy on quarterback sweeps all day, with lead blockers, and we could not stop it and lost the game.
I thought Heupel was a little too pass happy in the first half, especially given that Uva couldn't stop our running attack. They were dropping two safeties deep and made it difficult to complete the many mid-range passes we were attempting. Too many--shades of Jim Chaney.
When we just started pounding the ball, late in the first half and into the 3rd quarter, we pulled away.