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.

Percentage & Statistics for Football Players & Serious Injury

Published Jul,08 2011 | By Victoria Weinblatt

Football at the collegiate level produces the greatest amount of catastrophic injuries compared with any other sport, according to the Annual Survey of Catastrophic Football Injuries. The majority of catastrophic football injuries are associated with defensive players blocking and tackling.