(American football), American football is a sport that has evolved from the Rugby, which evolved from the socket by one another. In 1875 a oval ball like an egg have been used to play rugby and became the official ball used to play football in the first age. There is not a standard size. At present, have developed this registry to a soccer ball can be used to cast more easily by air, dynamic (Aerodynamics) at the end of the ball can spin spun. It is a team sport popular in the United States. The aim of the competition is that each team must try to move the ball into the end zone or end zone Stadium opponents. The movement can be performed by holding the ball, running, and throwing the ball to a team mate. The score can be done several ways: holding the ball ran through a field gate. Pitching the ball to the team at the airport after the line in the door or touching the door by kicking the ball with the handle set up teammates on the floor, through the door between the poles. (The goalposts or uprights) after all the race teams that score higher than would be won. In the United States and Canada call this sport "soccer (Football)" (at the same time, calling the FIFA that soccer). In some countries, call American football, "grid iron football (Grid-iron football) American football, have developed separate from rugby football. In the early 20th century, the football or indoor soccer ari NA is derived from American football. N FL (NFL), National Football League stands as Lee Kor. football professional in the United States consists of 32 teams from various cities League founded in 1920 kani in the American Professional Football Association named "" and change the "National Football League name" in the year 1922. During the first year, the 1960 American football is popular in playing only the University level. N FL then began gaining popularity during the years 1960 and 1970, which received a boost from the championship game, n FL in 1958 which was the competition that must play in overtime. Over ten years ago. N FL start competing in the kanpokti holiday labor day to Christmas, but due to the popularity of tv shows on the labour day holiday, making. N FL move faster to open season 1 week except during the 2 years ago. The kanpokti began on Thursday after labor day. After the regular season competition, it is time to race Championship after a season or playoffs, where the team won the Conference, IE n FC (National Football Conference) and AFC (American Football Conference) Championship called poebowa soup (Super Bowl) then 1 week, including star players from this 2 Conference Tournament included star called Pro rabowa (Pro Bowl), which is currently held at Hawaii.
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