The National League is older. It began play in 1876, while the American League began in 1901.
→→National League 1876←←American League 1901
The American League and the National League.
The American League is one of the two leagues in Major League Baseball. There are currently 15 teams in the American League.
AL is an abbreviation for American League, one of two leagues that make up Major League Baseball. The othe is NL, National League.
As far as I know, there are two major ones in the US.
There are two leagues in major league baseball, the American League and the National League. There are about 19 leagues in minor league baseball that include the Arizona League, Appalachian League, California League, Pacific Coast League, International League, and others.
His two older brothers are also Major League catchers
I only know the two largest, which are Ligue 1 and Ligue 2.
There's the National Lacrosse League (NLL) and Major League Lacrosse (MLL).
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.
Two leagues: National and American
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.