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| History |
| Baseball Stars Association (BSA): | League Home | League History |
| International League (ITL): | League Home | League History |
| Pacific Coast League (PCL): | League Home | League History |
| Northwest League (NWL (28 & Under)): | League Home | League History |
| Southern League (SNL (28 & Under)): | League Home | League History |
| Eastern League (ESL (28 & Under)): | League Home | League History |
| Midwest League (MWL (24 & Under)): | League Home | League History |
| Appalachian League (APL (24 & Under)): | League Home | League History |
| Pioneer League (PIO (24 & Under)): | League Home | League History |
| College Baseball (NCAA): | League Home | League History |
| High School Stars League (HSSL): | League Home | League History |
| BSA Rookie League (BR (22 & Under)): | League Home | League History |
