Major League Baseball Players Association - Wikipedia
MLB, players union have lots of hurdles to clear in next collective bargaining agreement - The Boston Globe
Yankees' Michael Kay rips players again: 'It was tell us when and where so we could file a grievance'
Guest Commentary: New CBA Doesn't Address Cincinnati Reds', Other MLB Players' Biggest Grievances, Opinion, Cincinnati
MLB's looming labor war: Here's what new CBA should fix
MLBPA
Analysis: Lack of agreement on MLB salary floor (and cap) discouraging for Pirates fans
Winners and losers of MLB CBA: Good news for young players, NL lineups; regular season importance takes hit
MLB Prepared to Voluntarily Recognize Minor League Union - Bloomberg
Players union files grievance vs. Rays, Pirates, Athletics, Marlins over revenue-sharing spending
MLB – News, Research and Analysis – The Conversation – page 1
MLB Cancels Opening Day, Sides Fail to Reach Lockout Deal – The Hollywood Reporter