Football Guide: Positions, Rules and Health Benefits

NFL football positions carry specific responsibilities ranging from offensive line to special teams. Learn the official size of an NFL football and the health benefits of playing this high-impact sport.

Portrait of american football player holding a ball

Top 10 Reasons to Play Football

Published Sep,13 2011 | By John Gregory

American football conjures many conflicting images: school spirit and team brotherhood on the one hand, trash talk and debilitating injuries on the other. This explains why the sport remains controversial despite its widespread popularity.