CALENDAR

Thursday — Active rosters reduced to 26 players.

Aug. 31 — Last day during the season to trade a player.

Sept. 15 — Last day to be contracted to an organization and be eligible for postseason roster.

Sept. 29-30 — Wild-card games.

Oct. 15 — International amateur signing period closes, 2 p.m.

Oct. 20 — World Series starts.

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. 6 — Hall of Fame Golden Days Era committee vote announced, Dallas.

Dec. 7-10 — Winter meetings, Dallas.

International amateur signing period opens.

Salary arbitration hearings, Scottsdale, Ariz. 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.

Last day to offer a retention bonus to an eligible player attending spring training with a minor league contract. Last day to place a player on waivers for 45 days termination pay.

Opening day, active rosters reduced to 26 players. All-star Game,atlanta.

Hall of Fame induction, Cooperstown, N.Y. Collective bargaining agreement expires, 8:59 p.m. International amateur signing period closes.