Major League Baseball Leagues & Divisions, Explained

A new weekly series, Sunday Night Baseball, will highlight some of the biggest MLB matchups each week, with analysis and commentary from some of the best baseball experts in the business. Major League Baseball has 30 teams split into two leagues of 15: the American League and the National League.

Each league is divided into East, Central and West divisions with five teams apiece. Teams spend most of the season playing opponents within their own league and the most games against divisional rivals, with interleague play mixed in to balance the schedule. American League — AL East: Baltimore Orioles, Boston Red Sox, New York Yankees, Tampa Bay Rays, Toronto Blue Jays.

AL Central: Chicago White Sox, Cleveland Guardians, Detroit Tigers, Kansas City Royals, Minnesota Twins. AL West: Athletics (formerly of Oakland, moving to Las Vegas by 2028), Houston Astros, Los Angeles Angels, Seattle Mariners, Texas Rangers. National League — NL East: Atlanta Braves, Miami Marlins, New York Mets, Philadelphia Phillies, Washington Nationals.

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