Category:Major League Baseball

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Major League Baseball (MLB) is the highest level of play in professional baseball in North America. More specifically, "Major League Baseball" refers to the entity that operates North America's two top leagues, the National League and the American League, by means of a joint organizational structure which has existed between them since 1920.

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Category:Baseball governing bodies in the United States

Category:Professional sports leagues in the United States

Category:Professional sports leagues in Canada

Category:Baseball leagues in Canada

Category:Major professional sports leagues in the United States and Canada

Category:Sports leagues established in 1869

Category:Wikipedia categories named after sports leagues

Category:Wikipedia categories named after sports organizations

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