Baseball Calendar

July 24—Hall of Fame induction, Cooperstown, N.Y.

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 15 days after World Series ends.

Dec. 1—Last day for teams to offer salary arbitration to their former players who became free agents.

Dec. 5-8—Winter meetings, Dallas.

Dec. 7—Last day for free agents offered salary arbitration to accept the offers.

Dec. 11—Collective bargaining agreement expires.

Dec. 12—Last day for teams to offer 2012 contracts to unsigned players.