Since the 2013 season, when the Houston Astros moved from the National League to the American league, there have been 15 teams in each circuit.
In 2008, Major League Baseball (MLB) consisted of 30 teams.
There are 14 teams in the American League of Major League Baseball.1414 teams
There are 15 teams in the American League and 15 teams in the National League for a total of 30.
There are 16 National League teams and 14 American League teams for a total of 30.
34
29 Major League Baseball teams are in the United States. 1 Major League Baseball team is in Canada.
There were 30 teams in Major League Baseball in 2005.
In the major leagues, there are 29 baseball teams in the US; but there is one major league team, the Toronto Blue Jays, in Canada.
Currently (as of January 2014), there are 30 teams in Major League Baseball: 15 in the American League, plus 15 in the National League.
Twenty five
45
30 teams (14 American league, 16 national league)