Here are some important dates for the 2026 MLB Season.
- March 25, 2026: Opening Night — Giants vs. Yankees in San Francisco
- March 26, 2026: Traditional Opening Day (14‑game slate)
- April 15, 2026: Jackie Robinson Day — all 30 teams play.
- May 15–17, 2026: “Rivalry Weekend” featuring key interleague and regional matchups.
- June 2, 2026: Lou Gehrig Day — all teams again on the field.
- June 8–14, 2026: The A’s play back-to-back series in Las Vegas (vs. Brewers, then Rockies) at Las Vegas Ballpark.
- July 4, 2026: All 30 teams play — part of the 250th anniversary of U.S. independence.
- July 14, 2026: 96th MLB All-Star Game at Citizens Bank Park, Philadelphia.
- September 11–13, 2026: Yankees host Mets, marking the 25th anniversary of 9/11.
- September 15, 2026: Roberto Clemente Day — all 30 teams play.
- September 27, 2026: Final day of the regular season (Game 162).
- September 29, 2026: Postseason begins.
- October 23, 2026: World Series begins.
- October 31, 2026: If necessary, Game 7 of the World Series