Wildcat Willie O'Brien pugile
- combattimenti
- 10
- vinto
- 1
- perduto
- 6
- pareggiare
- 2
- Stato
- inactive
- Divisione
- welterweight
- Debutto
- 1922-06-16
- Altezza
- -
- Arrivare a
- -
- Età
- -
- Nato
- -
- Morte
- -
- Nazionalità
- USA
| Data | Avversario | Ultimi risultati degli avversari | Luogo | Risultato |
|---|---|---|---|---|
| 1930-02-13 | Floyd Soldier Brown | DWWDLW | Greenwich Coliseum, Tacoma | LOST Points |
| 1930-01-29 | Phil Rispoli | debut | Crystal Pool, Seattle | LOST Points |
| 1929-09-17 | Joe Townsend | WWDDWD | Civic Ice Arena, Seattle | LOST Points |
| 1929-05-09 | Tommy Jeffers | WWW | Greenwich Coliseum, Tacoma | DRAW Points |
| 1929-04-04 | Norman Jones | debut | Tacoma | LOST Points |
| 1928-03-29 | Walter Cleghorn | WWWDWW | Greenwich Coliseum, Tacoma | LOST Points |
| 1928-02-06 | Jack Napier | LLLLWL | Olympic A.C., Tacoma | DRAW Points |
| 1928-01-30 | Ray Dempsey | L | Olympic A.C., Tacoma | WIN Points |
| 1927-12-30 | Joe Hansler | debut | Midland A.C., Midland | LOST Points |
| 1922-06-16 | Tex Ray | LW | Business Men's A.C., Wichita | NC |