The 2025 MLB season will kick off with the Dodgers and Cubs playing in Tokyo, Japan on March 18 and 19 as part of the "2025 MLB World Tour: Tokyo Series." The traditional MLB Opening Day will be on March 27 with 28 teams in action. The Rockies and Rays will open their seasons on March 28 at George M. Steinbrenner Field in Tampa. Check back for more official announcements as the season approaches.