Details: This poster shows the helmets of all of the teams in the National Football League. In the middle at the top is the NFL logo. The NFC logo is in the bottom left corner and the AFC logo is in the bottom right.
The National Football League or NFL is the premiere American Football league in the world. It was founded in 1920 as the American Professional Football Association and changed its name in 1922. The NFL is divided into the National Football Conference or NFC and the American Football Conference of AFC. The NFL season is 17 weeks long followed by 6 weeks of playoffs and then the championship Super Bowl game.