MLR = Major League Rule
CBA = Collective bargaining agreement between MLB and the players association

September 28, 2025
Final scheduled day of 2025 regular season.

November 2, 2025
Free Agency Quiet Period begins (Nov. 2-6).

November 6, 2025
Deadline for clubs and players to exercise or decline contract options for the 2025 season.

Deadline (5 p.m. ET) for a club to make a Qualifying Offer to an eligible former player becoming an Article XX(B) free agent.

Free Agency Quiet Period ends. Eligible XX(B) players may negotiate or sign with any club.

Last date to outright potential Minor League free agent without a Major League contract.

Domestic Minor League Player Limit increases to 190 players.

Minor League players become free agents (5 p.m. ET).

All players on the 60-day Injured List (Major and Minor) and Full-Season Injured Lists must be reinstated.

November 10-13, 2025
General managers meetings, Las Vegas.

November 18, 2025
Last day (4 p.m. ET) for a player to accept a qualifying offer.

Deadline for clubs to set reserve lists before Rule 5 draft.

November 21, 2025
Last day for clubs to offer 2026 contracts to unsigned players on 40-man roster (8 p.m. ET).

December 7-10, 2025
Winter meetings, Orlando, Fla.

December 10, 2025
Rule 5 draft, Orlando.

December 15, 2025
International signing period closes (5 p.m. ET).

January 8, 2026
Exchange of salary arbitration figures.

January 15, 2026
International signing period opens (9 a.m. ET).

Early February, 2026
Salary arbitration hearings.

February 11, 2026
Voluntary reporting date for pitchers, catchers and injured players.

February 15, 2026
Voluntary reporting date for other players.

February 20, 2026
Mandatory reporting date.

March 2-11, 2026
Clubs may renew contracts of unsigned Major League players. Paragraph 10 (a) of Uniform Player Contract.

March 5-17, 2026
World Baseball Classic.

March 25, 2026
Opening Night for NY Yankees and San Francisco.

March 26, 2026
Opening Day for remaining 28 clubs.

July 12-13, 2026
Rule 4 amateur draft, Philadelphia.

July 14, 2026
All Star Game, Philadelphia.

July TBA, 2026
Trade deadline (6 p.m. ET).

August 31, 2026
Postseason eligibility lists established (11:59 p.m. ET). To be eligible, a player must be a bona fide member of a qualifying team August 31 and remain a bona fide member through end of the applicable Postseason series.

September 1, 2026
Active player limit increased from 26 to 28, including 14 pitchers.

November TBA, 2026
Last day for a club to make a qualifying offer to an eligible former player who became a free agent after the World Series (fifth day after World Series ends, 5 p.m. ET).

November TBA, 2026
Last day (4 p.m. ET) for a player to accept a qualifying offer.

November TBA, 2026
Last day for clubs to offer 2027 contracts to unsigned players on 40-man roster (8 p.m. ET).

December 1, 2026
MLB Collective Bargaining Agreement expires (11:59 p.m. ET).