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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Year | Champion | LgERA | LgAvg | Lg |
|---|---|---|---|---|
| 1960 | Mexico | 6.82 | .304 | PL |
| 1961 | 0.00 | .000 | PL | |
| 1962 | 0.00 | .000 | PL | |
| 1963 | 0.00 | .000 | PL | |
| 1964 | Mexico | 7.30 | .310 | PL |
| 1965 | 0.00 | .000 | PL | |
| 1966 | 0.00 | .000 | PL | |
| 1967 | 0.00 | .000 | PL | |
| 1968 | Japan | 6.82 | .314 | PL |
| 1969 | 0.00 | .000 | PL | |
| 1970 | 0.00 | .000 | PL | |
| 1971 | 0.00 | .000 | PL | |
| 1972 | Japan | 4.83 | .269 | PL |
| 1973 | 0.00 | .000 | PL | |
| 1974 | 0.00 | .000 | PL | |
| 1975 | 0.00 | .000 | PL | |
| 1976 | Panama | 5.44 | .284 | PL |
| 1977 | 0.00 | .000 | PL | |
| 1978 | 0.00 | .000 | PL | |
| 1979 | 0.00 | .000 | PL | |
| 1980 | Cuba | 5.52 | .291 | PL |
| 1981 | 0.00 | .000 | PL | |
| 1982 | 0.00 | .000 | PL | |
| 1983 | 0.00 | .000 | PL | |
| 1984 | Cuba | 5.49 | .273 | PL |
| 1985 | 0.00 | .000 | PL | |
| 1986 | 0.00 | .000 | PL | |
| 1987 | 0.00 | .000 | PL | |
| 1988 | Japan | 4.80 | .268 | PL |
