| Leagues |
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| Links |
| Downloads |
| CIBL (sister league) |
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| TWIB - This Week In Baseball | |||
| 35 seasons | First Year: 1884 | Final Year: 1918 | Final OOTP Reports |
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| NTBL - Next Try Baseball League | |||
| 32 seasons | First Year: 1918 | Final Year: 1949 | Final OOTP Reports |
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| MCBL - Mid-Century Baseball League | |||
| 49 seasons | First Year: 1950 | Final Year: 1998 | Final OOTP Reports |
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