| Personal information | |
|---|---|
| Born | August 17, 1925 Ohio |
| Died | October 23, 1969 (aged 44) Elyria, Ohio |
| Nationality | American |
| Listed height | 6 ft 6 in (1.98 m) |
| Career information | |
| College | Ohio State (1943–1947) |
| BAA draft | 1947 / Round: 1 / Pick: 7th overall |
| Selected by the St. Louis Bombers | |
| Position | Center |
| Career highlights and awards | |
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John O. "Jack" Underman (August 17, 1925 – October 23, 1969) was an American basketball player. Underman was selected in the 1947 BAA draft by the St. Louis Bombers after a collegiate career at Ohio State, although he never played professionally. He led the Big Nine Conference in scoring as a junior in 1945–46, the same season the Buckeyes made the NCAA Final Four and won the Third Place game.
Underman then became an oral surgeon. He died in a car crash on October 23, 1969, at age 44.