American football: Super Bowl Sunday, List of players who have converted from one football code to another, American football rules, Comparison of American and Canadian football, Comparison of American football and rugby union, High school football

Source: Wikipedia. Pages: 53. Chapters: Super Bowl Sunday, List of players who have converted from one football code to another, American football rules, Comparison of American and Canadian football, Comparison of American football and rugby union, High school football, Comparison of American football and rugby league, Gridiron football, List of North American football nicknames, Terry Tate: Office Linebacker, Health issues in American football, American football in American Samoa, Stance, Gatorade shower, Petrozavodsk Kongs, Zeus, Hybrid sport, Scott Wright, Southern District Oilers, Great NFL Defenses, Golden horseshoe bowl, Inflatable tunnel, Panama Warriors, End run. Excerpt: American football, known in the United States as football, is a sport played between two teams of eleven. The objective of the game is to score points by advancing the ball into the opposing team's end zone. The ball can be advanced by running with it or throwing it to a teammate. Points can be scored by carrying the ball over the opponent's goal line, catching a pass thrown over that goal line, kicking the ball through the opponent's goal posts or tackling an opposing ball carrier in his own end zone. In the United States, high school football, college football and professional football are played under slightly different rules. High school football is governed by the National Federation of State High School Associations, college football by the National Collegiate Athletic Association and National Association of Intercollegiate Athletics, while the major professional league is the NFL. The sport is also played in Europe, Japan and Mexico. The International Federation of American Football acts as an international governing body for the sport. American football is closely related to Canadian football but with some differences in rules and the field. An American football team at the turn of the 20th century. Note the continued use of a rugby-type ball (front row, right).The history of American football can be traced to early versions of rugby football and association football. Both games have their origins in varieties of football played in the United Kingdom in the mid-19th century, in which a ball is kicked at a goal and/or run over a line. Many games known as "football" were being played at colleges and universities in the United States in the first half of the 19th century. Walter CampAmerican football resulted from several major divergences from rugby football, most notably the rule changes instituted by Walter Camp, considered the "Father of American Football". Among these important changes were the introduction of the line of scrimmage and of down-and-distance