Mike O'Brien boxer
- bouts
- 5
- won
- 3
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- featherweight
- Debut
- 1950-11-16
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1951-03-13 | Johnny Nicholas | WWWWWW | South Side Armory, Milwaukee | LOST KO |
| 1951-02-13 | Tom Lagarde | WLDDWL | Shrine Auditorium, Duluth | WIN Points |
| 1951-01-31 | Ace Sutton | L | Ottumwa | WIN Points |
| 1950-11-24 | Chuck McGow | WWLDLW | Armory, Indianapolis | WIN Points |
| 1950-11-16 | Johnny Nicholas | WW | Playdium, Sheboygan | LOST Unanimous decision |
