Mooch O'Brien boxer
- bouts
- 3
- won
- 1
- lost
- 2
- draw
- 0
- Status
- inactive
- Division
- bantamweight
- Debut
- 1921-01-27
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1922-05-30 | Johnny Miller | WLLLW | Idora Park, Youngstown | LOST |
| 1922-05-29 | Jimmy Dacey | WW | Auditorium, Canton | DRAW |
| 1922-01-13 | Mike Moran | WLWLWL | Oak Hill Auditorium, Youngstown | LOST |
| 1921-12-15 | Scotty Raeburn | WDWWWW | Oak Hill Auditorium, Youngstown | LOST KO |
| 1921-08-10 | Trixie Brennan | WLWWWL | Idora Park, Youngstown | DRAW |
| 1921-07-21 | Mike Moran | WDWWL | Idora Park, Youngstown | LOST |
| 1921-06-21 | Johnny Miller | WL | Idora Park, Youngstown | WIN |
| 1921-06-07 | Battling Levy | DLDLL | Idora Park, Youngstown | LOST |
| 1921-05-27 | Kid Pennett | WWWWWD | Idora Park, Youngstown | WIN |
| 1921-05-17 | Kid Norton | debut | Idora Park, Youngstown | WIN |
| 1921-04-14 | Kid Stein | W | Anderson Auditorium, Youngstown | WIN KO |
| 1921-03-01 | Dick Mette | WLLLLW | Anderson Auditorium, Youngstown | LOST |
| 1921-01-27 | Joe Egan | LWD | Anderson Auditorium, Youngstown | LOST KO |