The National Football League (NFL) is the leading professional American football league in the United States, established in 1920. Originally founded as the American Professional Football Association in Canton, Ohio, it was renamed the NFL in 1922. The league began with 14 teams and has grown to 32 franchises, divided into two conferences: the National Football Conference (NFC) and the American Football Conference (AFC). The NFL operates a structured season that includes a 17-week regular season, playoffs, and culminates in the Super Bowl. It enforces standardized rules and player contracts, and has evolved significantly since its early days. The league's core offerings include professional football games, team franchises, player drafts, and media content such as broadcasts and highlights. The NFL also engages fans through various events and digital platforms, enhancing the overall experience of American football.