There are 30 teams in Major League Baseball. Baseball teams are comprised by AL ( American League) and NL ( National League).  AL has 14 teams and NL has 16 baseball teams. AL and NL split as east, central and west.

There are 32 NFL teams comprised by AFC (American Football Conference) and NFC (National Football Conference). AFC has 16 and NFC has 16 teams.AFC and NFC both split as north, east, south and west.

There are 30 current basketball team in NBA.These teams divides as the western conference and  eastern conference.