Minor League Baseball Players Are Unionized for the First Time in History

Striking out: Players on independent teams, like Barnstormers, left out as those on 'affiliated' squads join MLB union, Lancaster Barnstormers

Minor League Baseball players set to unionize with the MLB Players Association

MLB, union, Cuba reach deal for players to sign without having to defect

M.L.B. Players Association Working to Unionize Minor Leaguers - The New York Times

Inside the Minor League Baseball Unionization Push - Global Sport Matters

Why the MLB is flooded with huge contracts

MLB, Minor League Players Reach Deal On First MiLB CBA — College Baseball, MLB Draft, Prospects - Baseball America

MLB: Service time manipulation rules might actually be working

The history of the MLBPA, part one: The rise of sports' strongest union - Beyond the Box Score

Minor League Baseball Unionization One Year Later: 'Now We Just Get to Play Baseball' - Sports Illustrated