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Rival Leagues

Learn about rival professional sports leagues that can pose antitrust challenges to established leagues.


In the United States, the National Football League, National Hockey League, and National Basketball Association represent the most well-known leagues for professional football, hockey, and basketball. However, lesser-known rival leagues can often pose significant antitrust challenges to established professional leagues. Let’s look at two of the most important cases that address rival-league antitrust challenges.

I. American Football League v. NFL

The NFL was created in 1920. From the 1920s...