What are the 30 Major League Baseball teams?

Written by Editorial Team | Last Updated: August 2026

Major League Baseball is structurally composed of thirty professional member franchises divided equally into two distinct leagues: the American League and the National League. Each league is further subdivided into East, Central, and West regional divisions containing five teams each. The complete roster of thirty organizations includes iconic and historic franchises such as the New York Yankees, Boston Red Sox, Los Angeles Dodgers, Chicago Cubs, St. Louis Cardinals, San Francisco Giants, Atlanta Braves, Houston Astros, Philadelphia Phillies, and Chicago White Sox, alongside twenty other competitive clubs that battle annually through a grueling 162-game regular season and postseason.

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