Major professional sports leagues in the United States and Canada
https://en.wikipedia.org/wiki/Major_professional_sports_leagues_in_the_United_States_and_Canada
WEBMajor professional sports leagues in the United States and Canada traditionally include four leagues: Major League Baseball (MLB), the National Basketball Association (NBA), the National Football League (NFL), and the National Hockey League (NHL). Other prominent leagues include Major League Soccer (MLS) and the Canadian Football League (CFL).
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