Minor League Baseball Union: How a Group of Players Sprung a Union on MLB - Sports Illustrated
Dominican Prospects File Lawsuit Against Los Angeles Angels Over Revoked Verbal Agreements
M.L.B. Players Association Working to Unionize Minor Leaguers - The New York Times
Blackhawk Living Magazine April 2019 by Blackhawk Living CA - Issuu
Players union files grievance against A's, 3 others MLB teams for not spending money – East Bay Times
M.L.B. and Players' Union File Grievances Against Each Other - The New York Times
MLB Players Union Files Grievance vs. Marlins, Rays, A's, Pirates over Spending, News, Scores, Highlights, Stats, and Rumors
MLB Players' Union Backs Minor League Teams in Supreme Court Antitrust Challenge
MLB lockout exposes gap between players' union, team owners - The Washington Post