Indoor Professional Football League was created in 1998.
Professional Spring Football League was created in 1991.
Portuguese League for Professional Football was created in 1978.
Eastern League of Professional Football was created in 1926.
Women's Professional Football League was created in 1999.
American Professional Football League was created in 2003.
Pacific Coast Professional Football League was created in 1940.
Korea Semi-Professional Football League was created in 1964.
Indoor Professional Football League ended in 2001.
NFL stands for "National Football League," which is the professional football league in the USA. CFL stands for "Canadian Football League," which is the professional football league in Canada.
Indoor Professional Football League's motto is 'Great Football, No Gimmicks.'.
Professional Spring Football League ended in 1991.