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The Major League Baseball Players Association (or MLBPA) is the union of professional major-league baseball players. ==History of MLBPA== The MLBPA was not the first attempt to unionize baseball players. Earlier attempts had included: *Brotherhood of Professional Baseball Players - 1885 (founded by John Montgomery Ward) *Players' Protective Association - 1900〔(【引用サイトリンク】title=History of the Major League Baseball Players Association )〕 *Fraternity of Professional Baseball Players of America - 1912 *National Baseball Players Association of the United States - 1922 (founded by Raymond Joseph Cannon) *The American Baseball Guild – 1946 (founded by labor lawyer Robert C. Murphy) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Major League Baseball Players Association」の詳細全文を読む スポンサード リンク
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