Dec. 2 Last day for teams to offer 2021 contracts to unsigned players on their 40-man rosters.
Dec. 7-10 Winter meetings, Dallas.
Jan. 15 International amateur signing period opens.
Feb. 1-19 Salary arbitration hearings, Scottsdale, Ariz.
Feb. 17 Voluntary reporting date for pitchers, catchers and injured players.
Feb. 22 Voluntary reporting date for other players.
Feb. 27 Mandatory reporting date.
March 15 Last day to place a player on waivers for 30 days termination pay.
March 27 Last day to offer a retention bonus to an eligible player attending spring training with a minor league contract.
March 30 Last day to place a player on waivers for 45 days termination pay.
April 1 Opening day, active rosters reduced to 26 players.
July 13 All-Star Game, Atlanta.
July 25 Hall of Fame induction, Cooperstown, N.Y.
Dec. 1 Collective bargaining agreement expires, 10:59 p.m. Central.
Dec. 15 International amateur signing period closes.