Back National Association of Professional Base Ball Players Danish National Association German National Association of Professional Base Ball Players French 全米プロ野球選手協会 Japanese 미국 프로 야구 선수 협회 Korean National Association of Professional Base Ball Players Portuguese National Association of Professional Base Ball Players Serbo-Croatian 國家職業棒球員協會 Chinese
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| Sport | Baseball |
|---|---|
| Founded | March 17, 1871 |
| Ceased | 1875 |
| No. of teams | 1871–1875: [a] 9, 11, 9, 8, 13 |
| Country | United States of America |
| Most titles | Boston Red Stockings (4) |
| Part of a series on the |
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The National Association of Professional Base Ball Players (NAPBBP), often known simply as the National Association (NA), was the first fully-professional sports league in baseball. The NA was founded in 1871 and continued through the 1875 season. It succeeded and incorporated several professional clubs from the previous National Association of Base Ball Players (NABBP) of 1857–1870, sometimes called "the amateur Association". In turn, several NA clubs created the succeeding National League of Professional Baseball Clubs (the National League, founded 1876), which joined with the American League of Professional Base Ball Clubs (the American League, founded 1901) to form Major League Baseball (MLB) in 1903.
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