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 The National Football League (NFL) is the highest-level sports league in American football. The annual Super Bowl is the most popular sporting event in the United States today. The American Football League refers to the National Football League (National Football League, referred to as NFL) is the first of the four major professional sports leagues in North America, the largest professional American football league in the world, and the most commercially valuable sports league in the world. The league was first established in 1920 under the name of the American Professional Football Association, and later changed its name to the National Football League on January 28, 1922. NFL team distribution map NFL team distribution map The National Football League is composed of 32 teams from different regions and cities in the United States. It is divided into the American Football Federation (AFC) and the National Football Federation (NFC). Each league consists of four divisions, east, west, s

 The NBA can be said to be one of the most concerned sports events in China, and the Chinese market also contributes about 10% of the NBA's revenue. However, in fact, the NBA can only be ranked third among the four major professional sports leagues in the United States. Coupled with the lack of the Chinese market this time, the NBA's revenue will definitely decrease. So, do you know which four major professional sports leagues are? Let's take a look! 1. NFL (National Football League) The National Football League is the highest-level sports league in American football, and the annual Super Bowl is the most popular sporting event in the United States. The league was first established in 1920 and was renamed the NFL in 1922. The league consists of 32 teams from different regions and cities in the United States, divided into two federations. Each federation will consist of four divisions, east, west, south and north, and each division has four teams. The same is divided into pr