Mickey O'Brien (The Fighting Irishman) boxer
- bouts
- 2
- won
- 1
- lost
- 1
- draw
- 0
- Status
- inactive
- Division
- bantamweight
- Debut
- 1921-06-20
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1922-09-20 | George Chapman | WLLWW | McCabe Park, Dayton | LOST |
| 1922-08-25 | Tommy Sparks | WWWWDL | Eagles' Club, Dayton | LOST KO |
| 1922-07-03 | Young Sweeney | DWWWLW | Zanesville | DRAW |
| 1922-05-01 | Buddy Fox | debut | Zanesville | WIN KO |
| 1922-04-03 | Lew Palmer | LLDLLD | Weller Theater, Zanesville | DRAW |
| 1922-03-25 | Maxie Epstein | WWDWWW | Eagles Arena, Kokomo | DRAW |
| 1921-06-20 | Nick Morrow | debut | Lakeside Stadium, Canton | DRAW |