The National Football League, founded in 1920, is one of the four major professional sports leagues in North America and represent the highest professional level of American football in the world. The league consists of 32 teams, mainly composed of two major associations - the National Soccer Conference (NFC) and the American Soccer Conference(AFC). The NFL has the highest average attendance of all professional sports leagues in the world. It is also the most popular sports league in the United States. Originally known as the American Professional Football Association (APFA), the league changed its name to the National Football League (NFL) for the 1922 season. The playoff system was added in 1933, and the first Super Bowl was held in 1967 after the NFL and the AFL merged. The Super Bowl is also one of the biggest club sporting events in the world, and by 2015, individual games accounted for the most-watched TV show in U.S. history, and both occupied the top 5 of Nielsen's most-watched U.S. TV broadcasts of all time. The NFL season format consists of a three-week preseason, an 18-week regular season (each team plays 17 games), and a 14-team single-elimination postseason and end by the league's championship game Super Bowl. Login to our website to check the latest NFL information and buy related jerseys, we have the most complete cheap soccer jerseys (including NFL playoff scenarios related jerseys)and the best prices.