Chris Weinke was saddled with a sucky pro team. While the team record was horrible, Weinke did score an impressive number of rushing touchdowns. If you have a decent quarterback and surround him with a bunch of low talent players, you aren’t going to win.
I agree with the poster above who said the Barry Sanders was the best of the Heisman winners. He did amazing things with a horrendous team around him. Imagine what he would have done with a better team.