Through Feb. 17 -- Salary arbitration hearings, St. Petersburg, Fla.
Feb. 12 -- Voluntary reporting date for Oakland and Seattle pitchers, catchers and injured players.
Feb. 17 -- Voluntary reporting date for other Oakland and Seattle players.
Feb. 19 -- Voluntary reporting date for other team's pitchers, catchers and injured players.
Feb. 24 -- Voluntary reporting date for other team's other players. Mandatory reporting date for Oakland and Seattle.
March 2 -- Mandatory reporting date for other teams.
March 2-11 -- Teams may renew contracts of unsigned players.
March 19 -- Last day to place a player on unconditional release waivers and pay 30 days termination pay instead of 45 days.
March 28-29 -- Seattle vs. Oakland at Tokyo.
April 2 -- Last day to request unconditional release waivers on a player without having to pay his full 2012 salary.
April 4 -- Opening day, St. Louis at Miami. Active rosters reduced to 25 players.
May 9-10 or 16-17 -- Owners' meetings, New York.
June 4 -- Amateur draft.
July 10 -- All-Star game, Kansas City, Mo.
July 13 -- Deadline for amateur draft picks to sign.
July 22 -- Hall of Fame induction, Cooperstown, N.Y.
July 31 -- Last day to trade a player without securing waivers.
Sept. 1 -- Active rosters expand to 40 players.
November TBA -- Deadline for teams to make qualifying offers to their eligible former players who became free agents, fifth day after World Series.
November TBA -- Deadline for free agents to accept qualifying offers, 12th day after World Series.
Dec. 2 -- Last day for teams to offer 2013 contracts to unsigned players.
Dec. 3-6 -- Winter meetings, Nashville, Tenn.