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Granite State Baseball League
GSBL21 (2022- )
GSBL21 Division Champions
*GSBL18 and GSBL28 Divisions Combined to form GSBL21 Division
| Year | Champions | Runner-Up |
| 2025 | New Hampshire Bucks | Northeast Huskies |
| 2024 | Nashua Rockies | New Hampshire Bucks |
| 2023 | Raphael Club Black Sox | Nashua Rockies |
| 2022* | Manch-Vegas Phillies | Granite State Grizzlies |
