List of Minor League Baseball leagues and teams

There are 14 Minor League Baseball (MiLB) leagues and 202 teams in operation across the United States, Dominican Republic, and Canada, which are affiliated with Major League Baseball (MLB) teams. They are organized by one of five classes : Triple-A, Double-A, High-A, Single-A, and Rookie. Of these, 120 teams in 11 leagues are each affiliated with one MLB team through a standardized professional development license. Additionally, three leagues consisting of a total of 82 Rookie teams are located at MLB spring training complexes in Arizona and Florida, as well as in the Dominican Republic. These affiliated leagues contest their seasons during the MLB season.

Leagues affiliated with Major League Baseball

Triple-A leagues The Triple-A classification is the highest level of play in MiLB, just below MLB. A total of 30 affiliated teams compete at this level, with 20 teams in the International League and 10 teams in the Pacific Coast League. International League Pacific Coast League Double-A leagues The Double-A classification is the second-highest level of play in Minor League Baseball. A total of 30 teams compete at this level, with 12 teams in the Eastern League, 8 teams in the Southern League, and 10 teams in the Texas League. 20 teams in the Florida Complex League, and 47 teams in the Dominican Summer League. Arizona Complex League Florida Complex League Dominican Summer League Fall leagues Arizona Fall League The Arizona Fall League, an off-season league owned and operated by Major League Baseball, consists of six teams in the state of Arizona. Each team is affiliated with five MLB organizations. ==MLB Partner Leagues==

MLB Partner Leagues

MLB Partner Leagues consist of 50 teams with no direct affiliation with individual MLB organizations, but collaborate on promoting the sport in North America. Three leagues—the American Association, Atlantic League, and Frontier League, had been fully independent leagues. A fourth, the Pioneer League, had previously been affiliated with Minor League Baseball as a "Rookie Advanced" league, the second-lowest rung on the minor league ladder. American Association of Professional Baseball The American Association of Professional Baseball consists of 12 teams. Atlantic League of Professional Baseball The Atlantic League of Professional Baseball consists of 10 teams. Frontier League The Frontier League consists of 18 teams. Pioneer League The Pioneer League consists of 12 teams. ==Non-partner independent leagues==

Non-partner independent leagues

Canadian Baseball League The Canadian Baseball League consists of 9 teams, all in Southern Ontario; from 1919 until 2025, it operated as a semi-professional league known as the Intercounty Baseball League. Empire Professional Baseball League The independent Empire Professional Baseball League consists of 4 teams. Pecos League The independent Pecos League consists of 16 teams. United Shore Professional Baseball League The independent, single-site United Shore Professional Baseball League consists of four teams. ===Women's Pro Baseball League=== The Women's Pro Baseball League is an independent, professional women's baseball league that will begin play in 2026. All 4 teams, which have yet to be given team nicknames, identities or home stadiums, will play their inaugural season in a single stadium in Illinois. ==See also==

Source: Wikipedia ↗

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