1981
From SABR Encyclopedia
Leagues active in 1981
- 1981 American Association
- 1981 American League
- 1981 Appalachian League
- 1981 Arizona Instructional League
- 1981 California League
- 1981 Carolina League
- 1981 Dominican Winter League
- 1981 Eastern League
- 1981 Florida Instructional League
- 1981 Florida State League
- 1981 Gulf Coast League
- 1981 International League
- 1981 Japan Central League
- 1981 Japan Pacific League
- 1981 Mexican League
- 1981 Mexican Pacific Winter League
- 1981 Midwest League
- 1981 National League
- 1981 New York-Pennsylvania League
- 1981 Northwest League
- 1981 Pacific Coast League
- 1981 Pioneer League
- 1981 Puerto Rican Winter League
- 1981 South Atlantic League
- 1981 Southern League
- 1981 Texas League
- 1981 Venezuelan Winter League