Starting in 2013 there will be 15 teams in each league (currently there are 16 in the National League and 14 in the American League but Houston will be moving to the AL starting next year). Because there are an odd number of teams, there will always be one team from each league that will have to play outside their league.
Yes. Each season teams will play 15 to 18 games against teams from the other league.
30 major League Teams 14 in the American League 16 in the National League
American League teams play the National League teams for four series per season, in what is called "interleague play." also, in the World Series, an American League team plays a National League team.
In 2010 there are 14 American League teams, and 16 National League teams.
No, the national league pitchers have to bat and all national league teams play by taht rule and all American league teams have a DH
There are 16 teams in the National League.
There are 14 teams in the American League. There are also 16 in the National League.
There are 15 teams in the American League and 15 teams in the National League for a total of 30.
There were 30 teams in the MLB, 14 in the American League and 16 in the National League.
Before the 2013 season, the Houston Astros relocated from the National League Central Division to the American League West Division. As a result, there are now 15 teams in the National League and 15 in the American League.
There are 16 National League teams and 14 American League teams for a total of 30.
The only time a National League team can use a DH is when they are playing against an American League in their stadium (so the National League team would be visitors). The opposite is true for the American League.. if they are playing a National League team in their stadium (so the American League would be visitors) they are required to have their pitcher bat