The origin of American ... of one whole football field. According to official NFL rules, 30-foot deep scoring end zones bookend the field, which is demarcated by horizontal lines every five ...

Dressed in button-up tunics and knickers ... when he included African-American players, such as Fritz Pollard and Paul Robeson, on his top-player lists. The football field was no longer a training ...

First, the TL/DR version: The birth of American ... on the field for both teams and the rules were based on the London Football Association, which did not allow players to either pick up or ...

Volleyball, another American invention, is played in nearly every country in the world. American football ... field, but 53 in a squad. It’s a violent game, difficult for children to pick up ...