Voluntary reporting date for pitchers, catchers and injured players.
Voluntary reporting date for other players.
Mandatory reporting date.
Teams may renew contracts of unsigned players.
Last day to place a player on unconditional release waivers and pay 30 days termination pay instead of 45 days.
Last day to request unconditional release waivers on a player without having to pay his full 2011 salary.
Opening day, active rosters reduced to 25 players.
All-Star Game, Phoenix.
Hall of Fame induction, Cooperstown, N.Y.
Last day to trade a player without securing waivers.
Last day to sign selections from 2011 amateur draft who have not exhausted college eligibility.
Active rosters expand to 40 players.
Sept. 30 or Oct. 1
World Series begins.
Free agent period to sign exclusively with former teams, first 15 days after World Series ends.
Last day for teams to offer salary arbitration to their former players who became free agents.
Winter meetings, Dallas.
Last day for free agents offered salary arbitration to accept the offers.
Collective bargaining agreement expires.
Last day for teams to offer 2012 contracts to unsigned players.
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