College football's 2013 National Signing Day is in the books and Athlon Sports kicks off its 2013 team recruiting rankings countdown with an in-depth look at the best classes in the nation.

Recruiting is the lifeblood of college football. Without good players, winning championships is nearly impossible. But there is much debate as too just how much recruiting rankings matter.

College football's 2013 National Signing Day is in the books and Athlon Sports kicks off its 2013 team recruiting rankings countdown with an in-depth look at the some of the best classes in the nation.

National Signing Day 2013 has come and gone. Fans, coaches and players alike rode a yearlong roller-coaster to the first Wednesday in February and it all ended with over 3,000 new college football players.

Here is a complete list and ranking of SEC early football enrollees for the Class of 2013:

1. Georgia Bulldogs (13):

Most of the dust has settled on the Class of 2013, however, that doesn’t mean there aren’t still plenty of fireworks to come on National Signing Day 2013. Five of the top ten players in the nation are still left on the board and those decisions will undoubtedly influence the national team rankings in a big way.

Additionally, 12 of the top 50 are still left uncommitted and more than two dozen total national — or four-star — recruits have yet to make their final college decision. Here is a complete list of the National Signing Day announcments:

Teenagers are complicated, fickle, naive creatures who seldom have any perspective on the trappings of adult life.