Football is a team sport known for mixing complex strategies and a very intense physical play.
It was born in USA a 100 years ago. It is one of the most competitive impact sports world where the player requires great discipline, physical training and mental preparation.
Most competitive sports and media of this event is given in the National Football League (NFL), the professional football league in the United States.
The practice of rugby spread in the United States in the second half of the nineteenth century.
Some forms of rugby football played on U.S. soil adopted specific rules that ended up coming together and setting the current football.
Origen if Football
Football is the result of differences of rugby, mainly by the rule changes instituted by Walter Camp, who is considered the "Father of American Football".
Among the most important changes are the introduction of the line of scrimmage and downs.
In the late nineteenth century and early twentieth century, the method of game developed by college coaches such as Eddie Cochems, Amos Alonzo Stagg, Knute Rockne, and Glenn "Pop" Warner helped leverage the new forward pass rule.
