Dan O'Brien boxer
- bouts
- 0
- won
- 0
- lost
- 0
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1910-09-16
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1911-01-30 | Louie Schultz | WLWLWD | Terminal Building, Milwaukee | DRAW |
| 1911-01-13 | Louie Schultz | LWLWLW | Terminal Building, Milwaukee | DRAW |
| 1911-01-02 | Bert Stanley | DWWDWW | Terminal Building, Milwaukee | WIN |
| 1910-12-26 | Kid Riley | LDDDDD | Badger A.C., Milwaukee | WIN |
| 1910-09-16 | Gus Christie | WLWWW | Hippodrome, Milwaukee | DRAW |
