Dennis O'Brien boxer
- bouts
- 2
- won
- 0
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- super lightweight
- Debut
- 1957-10-18
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Australia
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1957-12-17 | Joe Sparks | debut | Brisbane Stadium, Brisbane | LOST Points |
| 1957-10-18 | Allan Nickol | LLW | Brisbane Stadium, Brisbane | LOST KO |