In 1901, when the American League was formed and joined with the National League to become Major League Baseball, in original teams were:
American League - Chicago, Boston, Detroit, Philadelphia, Baltimore, Washington, Cleveland and Milwaukee.
National League - Pittsburgh, Philadelphia, Brooklyn, St. Louis, Boston, Chicago, New York and Cincinnati.
They are listed in the order of finish in each league that season. There was no World Series played that year.
There are thirty MLB teams. ( fourteen American Leauge)(sixteen National League)
From 1939-1950 eight teams played, in 1952 it was doubled to sixteen
there are 30 teams
The Rangers are in the MLB and the NHL (New York and Texas) The Giants are teams in the MLB and NFL The Cardinals are teams in the MLB and NFL
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.
there are only 30 major league teams
There are two MLB teams from Missouri. The first is the St. Louis Cardinals and the second the Kansas City Royals.
There used to be 8 teams. But, starting in the 2012 season, there are 10 teams.
30 in MLB.