NFL Football US, commonly known as the National Football League (NFL), is the premier professional American football competition in the United States, founded in 1920 and regarded as the highest level of the sport internationally. Contested by 32 franchise teams — including the Dallas Cowboys, Kansas City Chiefs and San Francisco 49ers — the league follows a regular season and playoff format culminating in the Super Bowl; the provided event window runs from October 31, 2025 to January 5, 2026 with games hosted across major U.S. venues such as MetLife Stadium, AT&T Stadium and Lambeau Field.