GMB Season Opener - Missouri
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GMB Season Opener - Missouri is a youth travel baseball tournament in Saint Charles, MO, on Sat, Mar 6 – Sun, Mar 7, 2027. Age groups: 9U, 10U, 11U, 12U, 13U and 14U. Organized by Greater Midwest Baseball | The Best Tournaments In Town.
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From the organizer's listing on go.playgmb.com · checked Oct 29, 2026. Register and confirm details with the organizer.
Age groups
| Division |
|---|
| 9U |
| 10U |
| 11U |
| 12U |
| 13U |
| 14U |
How strong is the field?
The organizer hasn't published team lists yet. We rate each age group's field once at least 6 registered teams have results, and this page updates as teams register.
Ratings come from public game results. How field ratings work. The 1-10 rating for each field and every registered team are in the TourneyMagic search.
Last year
GMB Season Opener - Missouri Turf ran Sat, Mar 7 – Sun, Mar 8, 2026 in Saint Charles, MO. 24 teams entered across 11U, 12U, 13U and 14U. The 12U field was rated a developing field. The 13U field was rated a balanced field.
Other baseball tournaments near Saint Charles that weekend
We don't have any other baseball tournaments listed within 100 miles that weekend.
Missouri baseball tournaments · Baseball tournaments by region
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Details last changed Oct 19, 2026; checked against the organizer's listing Oct 29, 2026.