Johnny O'Brien boxeador
- luta
- 6
- vitória
- 4
- derrota
- 2
- empate
- 0
- Estado
- inactive
- divisão
- welterweight
- Estreia
- 1926-04-26
- Altura
- -
- Alcance
- -
- Idade
- -
- Born
- -
- Death
- -
- Nascimento
- USA
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 1928-02-28 | Georgie Russell | LLWLL | Casino Hall, Carbondale | WIN |
| 1928-01-13 | Joe Dillard | debut | Watres Armory, Scranton | WIN Points |
| 1927-12-27 | Joey Coolbaugh | DLLLDW | Casino Hall, Carbondale | WIN Points |
| 1927-04-20 | Mooch Leo | LDWWW | Casino Hall, Carbondale | LOST Points |
| 1926-06-07 | Fighting Johnny | WDWWLW | Town Hall, Scranton | WIN Points |
| 1926-04-26 | Jack Manley | WLWWDL | Town Hall, Scranton | LOST Points |