Each college football season brings events like senior day and the senior bowl. Fans expect to lose upperclassmen each and every year, and only rare exceptions prevent it from happening (the elusive sixth year of eligibility).
Each season also brings underclassmen the hope of joining the ranks of the NFL early. This is possible for anyone who has been out of high school for at least three years, but the field will not be limited to just draft-eligible players here. As long as the player isn't a senior, he is eligible to be on this list.
Here is the one underclassman from each FBS squad who has the best chance of being drafted early.