There are 30 Major League Baseball teams. American League - 15 National League - 15
There are 16 teams in the National League.
There are 16 teams in the National League, but in 2013, the Houston Astros will move to the American League West.
There are 15 teams in the American League and 15 teams in the National League for a total of 30.
There are 15 teams in the American League and 15 teams in the National League for a total of 30.
There are 14 teams in the American League. There are also 16 in the National League.
There are always four teams from the National League and four from the American League.
There are 16 National League teams and 14 American League teams for a total of 30.
Beginning with the 2013 Major League Baseball season, there will be 15 teams in the National League and 15 in the American League. A longtime imbalance between the two leagues is being solved by the transfer of the Houston Astros from the N.L. Central to the A.L. West.
Thirty.
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30