Description

Below is a list of professional football Championship Games in the United States, involving:the informal western Pennsylvania professional football circuit ; the 1902 "National" Football League and the World Series of Professional Football ; the Ohio Independent Championship ; the New York Pro Football League ; the American Professional Football Association and the National Football League ; the All-America Football Conference ; the American Football League ; the World Football League ; the United States Football League ; the XFL (2001); the United Football League (2009–2011); and any inter-league challenge games that included at least one champion of a major, or borderline-major, league.