For the 2011 season there are 10 teams.
There are 30 Major League Baseball teams. American League - 15 National League - 15
30 major League Teams 14 in the American League 16 in the National League
There are a total of 30 teams in the Major League. 16 are in the National League and 14 in the American League.
North America has what is referred to the "Big 4" sport leagues. This refers to the National Football League, Major League Baseball, National Basketball Association, and the National Hockey League. There is also other somewhat big leagues including Major League Soccer, the Canadian Football League, and to a lesser extent the National Lacrosse League.
There are 30 Major League baseball teams, 16 in the National League, and 14 in the American League.
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 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.
Edmonton is home to two major league sports teams: Edmonton Eskimos (Canadian Football League); Edmonton Oilers (National Hockey League). Other well-known Edmonton sports teams include the Edmonton Rush (National Lacrosse League), Edmonton Capitals (Golden Baseball League), Edmonton Energy (International Basketball League), Edmonton Oil Kings (Western Hockey League - Major Junior Hockey), Edmonton Drillers (Professional Arena Soccer League) and several amateur football teams.
In 1939, both the American League and the National League had eight teams each.