Association of Professional Football Leagues was created in 1946.
Association of Professional Football Leagues ended in 1948.
You practice.
Archery
archery
European Professional Football Leagues's motto is 'Great Football makes Great Things'.
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.
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Lots of sports are amateur and so have no professionals playing. They still have competitions, including leagues. Gaelic Football and Hurling, Ireland's two national sports have leagues. They are amateur sports, run by the largest amateur sporting organisation in the world. So their leagues are amateur, not professional.
The Designated hitter is allowed only in the American League and throughout the minor leagues.
There is the NBA and there is a league with players not quite at the NBA level. The NBA is the major league with the professional basketball players. There are also college leagues, and elementary schools even have leagues.
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