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| Donald O’Connor |
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| Year | Host/Site | Round |
|---|
| 1972 | Frankfort | Sectional |
| 1973 | Kankakee Valley | Sectional |
| 1974 | Michigan City Rogers | Sectional |
| 1975 | Huntington North | Sectional |
| 1976 | Fort Wayne (#2) | Sectional |
| 1977 | North Judson | Sectional |
| Fort Wayne | Regional |
| 1978 | Valparaiso | Sectional |
| Gary | Regional |
| 1979 | East Noble | Sectional |
| Lafayette | Regional |
| 1980 | Ben Davis | Sectional |
| Anderson | Regional |
| Fort Wayne | Semistate |
| 1981 | Gary | Sectional |
| Marion | Regional |
| 1982 | Huntington North | Sectional |
| Seymour | Regional |
| Lafayette | Semistate |
| 1983 | East Chicago | Sectional |
| Anderson | Regional |
| Lafayette | Semistate |
| Indianapolis | Finals |
| 1984 | Lafayette | Sectional |
| New Castle | Regional |
| Lafayette | Semistate |
| 1985 | Michigan City | Sectional |
| Gary | Regional |
| Indianapolis | Semistate |
| 1986 | Hammond | Sectional |
| Michigan City | Regional |
| Lafayette | Semistate |
| Indianapolis | Finals |
| 1987 | Gary | Sectional |
| Marion | Regional |
| Lafayette | Semistate |
| Indianapolis | Finals |
| 1988 | South Bend | Sectional |
| East Chicago | Regional |
| Indianapolis | Semistate |
| 1989 | Valparaiso | Sectional |
| Lafayette | Regional |
| Indianapolis | Semistate |
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