Sept. 28 — Regular season ends.
Sept. 30-Oct. 2 — Wild Card Series.
Oct. 4-11 — Division Series.
Oct. 12-21 — League Championship Series.
Oct. 24-Nov. 1 — World Series.
October/November TBA — Trading resumes, day after World Series.
November TBA — Last day for club to make a qualifying offer to an eligible former player who became a free agent, fifth day after World Series, 5 p.m. EST.
Nov. TBA — Last day for player to accept a qualifying offer, 4 p.m. EST.
Nov. 10-13 — General managers meetings, Las Vegas.
Nov. 18-20 — Owners meetings, New York.
Nov. 21 — Last day for teams to offer 2026 contracts to unsigned players on their 40-man rosters, 8 p.m. EST.
Dec. 1 — Major League Baseball Players Association executive board meeting, Scottsdale, Ariz.
Dec. 7 — Hall of Fame and Conte