Bob O'Brien boxer
- bouts
- 14
- won
- 4
- lost
- 9
- draw
- 1
- Status
- inactive
- Division
- welterweight
- Debut
- 1944-03-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1947-11-20 | Merv Saunders | WLW | Leichhardt Stadium, Sydney | LOST KO |
| 1947-11-10 | Des Carney | WLWWW | Sydney Stadium, Sydney | DRAW Points |
| 1944-12-14 | Brian Courtney | D | Leichhardt Stadium, Sydney | LOST KO |
| 1944-10-07 | Billy Shaw | LLLLLL | Leichhardt Stadium, Sydney | LOST Points |
| 1944-08-12 | Leo Lou Kessie | LWWLLW | Leichhardt Stadium, Sydney | LOST KO |
| 1944-07-29 | Bernie Young Hall | LDWW | Leichhardt Stadium, Sydney | LOST Points |
| 1944-07-01 | Tommy Tier | LLWWWW | Newcastle Stadium, Newcastle | LOST KO |
| 1944-04-27 | Reg O'Shea | WWL | Leichhardt Stadium, Sydney | LOST KO |