In the nineteen fifties, Bob Feller helped organize the Major League Baseball Players Association.

VOA: special.2011.01.09

The company now has a digital license with the Major League Baseball Players Association (MLBPA), which grants it access to all Major League Baseball players.

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Rodriguez said Monday he had met with the Major League Baseball Players Association to discuss Biogenesis.

NPR: Alex Rodriguez Calls Return 'A Great Challenge'

This time, the request for a meeting is being spearheaded by the Major League Baseball Players Association.

FORBES: The Plight of The Umpires And The Inevitability Of Instant Replay