College sports teams turnover, a lot. With players limited to four true seasons, coaches are faced with the task of constant recruiting and team rebuilding.
Successful college programs find the right people for their strategy. They don’t go after the biggest and strongest, they look for people that add depth to their system.
A great example of this is the recruiting of Deshawn Watson. Watson, a standout QB from Georgia, was a playmaker even as a high school sophomore. He was heavily recruited by many schools, but the University of Georgia was not one of them. UGA was looking for a golden arm, pro-style QB. That was their style of offense.