American football originated from rugby football is a popular sport in United States and Canada. The major forms of football in the Unites States are collegiate football and professional football. Collegiate football is played by teams of student athletes fielded by American universities, colleges, and military academies. And professional football mainly includes the professional forms of American and Canadian gridiron football. There have been numerous major professional football leagues in the U.S.; the two at present in existence are the National Football League (NFL) and the United Football League. This category provides listings about American college football, including team and, news media, history, fan sites, and more.