Evolution of the NFL Player

Today's NFL athletes are bigger, faster and more specialized than they were in the league's earliest days. See how professional football players have evolved from "everyman" to "superman."

The Evolution of the NFL: A Look at How the Game Has Changed Over

Evolution of the game: The past decades have seen multiple changes

The History of the Draft

College Player Development

Shoulder Pads Slim Down in Faster, Sleeker N.F.L. - The New York Times

Denver Broncos

The Evolution of The Super Bowl Halftime Show: Then vs. Now

Missouri Football's Ground Game Triumph and Offensive Line

Sideline of the Future NFL Football Operations

The Evolution of Personnel Groupings and Usage