American Football is a ball. Popular in the UK, USA, Australia, Japan and other countries. Originated in Britain, the former Ming Lage than football, referred to as Rugby. Rugby is a city in central England, where there is a Rugby School is the birthplace of football. According to legend, a student at the school in 1823, WW Ellis, a school football game to play because of a mistake, very sorry, even desperate to pick up the ball and ran. Later, in the school's football games running the ball in the case hold frequent Although this is foul play, but it gives a new revelation, over time, gradually been accepted as the legitimate actions.