Joe O'Brien boxer
- bouts
- 8
- won
- 5
- lost
- 3
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 1915-04-09
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1920-09-22 | Bill Perkins | L | Auditorium, Milwaukee | WIN |
| 1920-05-20 | Young George Gardner | LDLLLD | Crescent Rink, Lowell | LOST Technical knockout |
| 1919-09-01 | Steve Choynski | LWWWLL | Auditorium, Milwaukee | DRAW |
| 1918-04-26 | Frank Grace | LLLLWW | Lakeside Arena, Racine | WIN |
| 1917-09-11 | Jock Malone | WWWDLD | Auditorium, Milwaukee | LOST KO |
| 1917-09-06 | Young Pinky | WLWWW | Racine | WIN KO |
| 1917-07-04 | Harry Schuster | WLWDDL | Auditorium, Racine | WIN |
| 1917-06-08 | Jack Duffy | WWLWLL | Lakeside Auditorium, Racine | WIN Technical knockout |
| 1917-05-14 | Reb Russell | LWWWWL | Lakeside Auditorium, Racine | DRAW |
| 1917-04-19 | Earl Kid Henderson | WWLLW | Rock Island | LOST |
| 1917-02-16 | Jock Malone | WWWWLW | Auditorium, Milwaukee | LOST Technical knockout |
| 1917-01-16 | Frank Grace | L | Auditorium, Milwaukee | WIN Technical knockout |
| 1916-12-08 | Billy Jingles | LD | Auditorium, Milwaukee | WIN |
| 1916-04-24 | Ford Munger | WWWWWL | Auditorium, Milwaukee | DRAW |
| 1916-03-25 | Hal Clark | DDWLWD | Arcadia Rink, Milwaukee | WIN |
| 1916-02-25 | Steven Gardner | LWWDD | Auditorium, Milwaukee | DRAW |
| 1916-01-07 | Young White | WWWDWW | Fond du Lac | LOST |
| 1915-12-17 | Hal Clark | WLWLWL | Racine | DRAW |
| 1915-11-29 | Hal Clark | LWLWLW | Arcadia Rink, Milwaukee | WIN |
| 1915-11-08 | Frankie Martin | LDL | Auditorium, Milwaukee | WIN Technical knockout |
| 1915-10-29 | Freddie Andrews | DDLLWL | Auditorium, Milwaukee | WIN |
| 1915-04-30 | Andy Cooper | debut | Arcadia Rink, Milwaukee | WIN KO |
| 1915-04-09 | Hal Clark | WDDWDL | Arcadia Rink, Milwaukee | LOST |
