Sept. 29 — AL wild card series start.

Sept. 30 — NL wild card series start.

Oct. 5 — AL Division Series start, Los Angeles and San Diego.

Oct. 6 — NL Division Series start, Arlington, Texas, and Houston.

Oct. 11 — AL Championship Series starts, San Diego.

Oct. 12 — NL Championship Series starts, Arlington, Texas.

Oct. 15 — International amateur signing period closes, 5 p.m. EDT

Oct. 20 — World Series starts, Arlington, Texas.

October TBA — Trading resumes, day after World Series.

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, 15th day after World Series.

Dec. 2 — Last day for teams to offer 2021 contracts to unsigned players on their 40-man rosters.

Dec. 7-10 — Winter meetings, Dallas.

2021

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, 11:59 p.m. EST.

Dec. 15 — International amateur signing period closes.

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