Mexican Southeast League
The Mexican Southeast League was a short-season Class-A circuit in Minor league baseball which operated from 1964 through 1970. Throughout its existence, the MSL served as a farm system for the Class Triple-A Mexican League.
Championship teams
- 1964 – Plataneros de Tabasco
- 1965 – Plataneros de Tabasco
- 1966 – Piratas de Campeche
- 1967 – Piratas de Campeche
- 1968 – Piratas de Campeche
- 1969 – Camaroneros de Campeche
- 1970 – Piratas de Campeche