One big difference between college and pro football is player personnel turnover. In college football, seniors graduate, and some juniors and even sophomores leave early. Even some freshman transfer due to personal reasons or lack of playing time.
That is why recruiting and developing young talent play such huge roles in college football. If a coaching staff isn't careful, they can be in a world of hurt once the seniors and juniors leave. One or two poor recruiting classes can be trouble for a team's upcoming season.
Let's take a look at five teams that could be on the verge of disaster if one key injury happens during the 2010 season.