Jorge Umana boxer
- bouts
- 9
- won
- 3
- lost
- 6
- draw
- 0
- Status
- inactive
- Division
- flyweight
- Debut
- 1944-09-09
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Costa Rica
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1959-03-07 | Italo Adolfo Cajina | L | Gimnasio Nacional, Managua | LOST KO |
| 1955-12-16 | Jack Gilbert | WWL | Estadio Mendoza, San Jose | LOST Points |
| 1947-08-13 | Victor Manuel Corrales | WDDLLL | Estadio Mendoza, San Jose | LOST Points |
| 1947-03-26 | Donald Knight | W | Estadio Mendoza, San Jose | WIN Points |
| 1947-01-22 | Carlos Villalta | L | Estadio Mendoza, San Jose | WIN Technical knockout |
| 1946-11-13 | Roberto Trillo | debut | Estadio Mendoza, San Jose | LOST Points |
| 1946-01-18 | Miguel Gomez | DWLDLL | Estadio Mendoza, San Jose | LOST KO |
| 1945-09-19 | Wilfredo Romero | WL | Estadio Mendoza, San Jose | WIN KO |
| 1944-09-09 | Manuel Araya | debut | Estadio Mendoza, San Jose | LOST Technical knockout |