National Football League (NFL)
The NFL is a professional American football league made up of two divisions (or conferences) called the American Football Conference (AFC) and the National Football Conference (NFC). Each of these conferences in turn consists of 16 teams each, making up a total of 32 teams in the NFL.
Most Popular Sports League
Among the top sports leagues in North America, NFL is the largest with a revenue of US $13 billion, followed by Major League Baseball (MLB) at US $9.5 billion and National Basketball Association (NBA) at US $5.2 billion.