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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| League | Level | From-To | Parent League |
|---|---|---|---|
| ADULT BASEBALL LEAGUE | MLB | 2012-2057 | |
| TRIPLE A | AAA | 2012-2057 | ADULT BASEBALL LEAGUE |
| DOUBLE A | AA | 2012-2057 | ADULT BASEBALL LEAGUE |
| SINGLE A | A | 2012-2057 | ADULT BASEBALL LEAGUE |
| USA NCAA DIVISION I | COL | 2012-2057 | ADULT BASEBALL LEAGUE |
| CANADIAN BASEBALL LEAGUE | INT | 2012-2057 | ADULT BASEBALL LEAGUE |
| SOUTH AFRICA BASEBALL LEAGUE | INT | 2055-2057 | ADULT BASEBALL LEAGUE |
| LITTLE LEAGUE BASEBALL | HS | 2030-2057 | ADULT BASEBALL LEAGUE |
| ROOKIE LEAGUE | R | 2030-2057 | ADULT BASEBALL LEAGUE |
| FRONTIER LEAGUE | INT | 2044-2057 | ADULT BASEBALL LEAGUE |
| ITALIAN BASEBALL LEAGUE | INT | 2044-2057 | ADULT BASEBALL LEAGUE |
| AUSTRALIAN BASEBALL LEAGUE | INT | 2044-2057 | ADULT BASEBALL LEAGUE |
| PUERTO RICO BASEBALL LEAGUE | INT | 2044-2057 | ADULT BASEBALL LEAGUE |
