Oct. 6 _ Playoffs begin.
Oct. 27 _ World Series begins, city of National League champion.
November _ Free agent period to sign exclusively with former teams, first five days after World Series ends.
Nov. 16-17 _ General managers’ meetings, Orlando, Fla.
Nov. 17-18 _ Owners’ meetings, Orlando, Fla.
Nov. 23 _ Last day for teams to offer salary arbitration to their former players who became free agents.
Nov. 30 _ Last day for free agents offered salary arbitration to accept the offers.
Dec. 1 _ Last day for teams to offer 2011 contracts to unsigned players.
Dec. 6-9 _ Winter meetings, Lake Buena Vista, Fla.
2011
Jan 5-15 _ Salary arbitration filing.
Jan. 18 _ Exchange of salary arbitration figures.
Feb. 1-21 _ Salary arbitration hearings.
Feb. 13 _ Voluntary reporting date for pitchers, catchers and injured players.
Feb. 18 _ Voluntary reporting date for other players.
March 1 _ Mandatory reporting date.
March 2-11 _ Teams may renew contracts of unsigned players.
March 14 _ Last day to place a player on unconditional release waivers and pay 30 days termination pay instead of 45 days.
March 28 _ Last day to request unconditional release waivers on a player without having to pay his full 2011 salary.
March 30 _ Opening day, active rosters reduced to 25 players.
July 12 _ All-Star game, Phoenix.
July 31 _ Last day to trade a player without securing waivers.
Aug. 15 _ Last day to sign selections from 2011 amateur draft who have not exhausted college eligibility.
Sept. 1 _ Active rosters expand to 40 players.
Sept. 30 or Oct. 1 _ Playoffs begin.
Oct. 19 _ World Series begins.
November _ Free agent period to sign exclusively with former teams, first five days after World Series ends.
Nov. 23 _ Last day for teams to offer salary arbitration to their former players who became free agents.
Nov. 30 _ Last day for free agents offered salary arbitration to accept the offers.
Dec. 5-8 _ Winter meetings, Dallas.
Dec. 2 _ Last day for teams to offer 2012 contracts to unsigned players.
Dec. 11 _ Collective bargaining agreement expires.
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