There are two leagues in Major League Baseball: the American League and the National League. Each league conducts its own rounds of the playoffs, so there will be at least one team from each league still actively playing until the finals -- called the World Series -- are settled. The winner of the World Series is considered the world champion.
The Negro leagues were US professional baseball leagues. The term is usually used to include 7 leagues, also called "Negro Major Leagues" which began in 1920.
To many to count
The big 2 in minor leagues is the AA and the AAA, but there are tons of leagues in minor league baseball. But first you might have to go play college baseball to appl for the minors i believe. keep researching an you'll find out sooneror later!
According to Baseball Reference, through the games played on April 28, 2008 there have been 383,628 games played in the major leagues.
The ten by seven rule was utilized mostly in little leagues and pee wee baseball.
Baseball is extremely popular in the Netherlands. In addition to having many leagues of their own, the country has produced many MLB players.
There are 2 leagues. American League and National League.
Two teams have switched leagues. The Milwaukee Brewers changed from the AL to the NL in 1998 and the Houston Astros moved to the AL in 2013.
Five...San Diego Padres, Los Angeles Angels of Anaheim, Los Angeles Dodgers, San Francisco Giants and Oakland Athletics in the Major Leagues...Many more in the minor leagues and colleges and high school and a lot more in youth leagues.
I'm thinking 5-10 total. Mostly guys on the end of their career.
Two leagues: National and American
1 foot = 0.000063 leagues.