Feb. 1-21 - Salary arbitration hearings, Phoenix.
Feb. 18 - Voluntary reporting date for pitchers, catchers and injured players.
Feb. 23 - Voluntary reporting date for other players.
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March 1 - Mandatory reporting date.
March 16 - Last day to place a player on unconditional release waivers and pay 30 days termination pay instead of 45 days.
March 30 - Last day to request unconditional release waivers on a player without having to pay his full 2016 salary.
April 3 - Opening day. Active rosters reduced to 25 players.
July 12 - All-Star Game, San Diego.
July 15 - Last day to sign for amateur draft picks subject to deadline.
July 24 - Hall of Fame inductions, 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 2017 contracts to unsigned players.
Dec. 5-8 - Winter meetings, National Harbor, Md.