There are 30 teams. 16 in the National League and 14 in the American League.
30 in MLB.
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There were 30 teams in Major League Baseball in 2005.
As of 2010 there are 30 Major League Baseball teams.
In the MLB there are 15 teams in the American League.
There are only 30 MLB teams in the MLB, but there are many places with a minor league park, but there are a few cities like Chicago and Los Angels that have two MLB teams. There are many cities without any teams.
In 2008, Major League Baseball (MLB) consisted of 30 teams.
There are 30 teams in MLB and around 100 or so minor league teams.
8 teams make the MLB playoffs.
There are 30 teams. 16 in the National League and 14 in the American League.
There's 30 teams in the MLB, 29 in the USA, and 1 in Canada, the team is Toronto Blue Jays.
There are thirty MLB teams. ( fourteen American Leauge)(sixteen National League)