17. Rex Grossman, Florida
Despite being part of the Steve Spurrier to Ron Zook transition at Florida, Grossman is one of the best quarterbacks the Gators ever had. As a redshirt freshman, he led Florida to an SEC championship. The following year, he led the country in completion percentage and passing efficiency, earning SEC Player of the Year and consensus All-American honors despite finishing second in the Heisman voting to Eric Crouch in one of the closest votes in Heisman history. Grossman was nearly as good in his third and final season, ultimately totaling over 9,000 passing yards and 77 touchdown passes.
However, his gunslinger style never worked too well in the NFL. He led the Bears to the Super Bowl in 2006, but that was the only season Grossman started all 16 games for a team, and he finished it with 23 touchdowns and 20 interceptions. To his credit, Grossman lasted nine seasons in the NFL. But he finished with more interceptions than touchdowns and a 55% completion rate.