Pat O'Brien boxer
- bouts
- 9
- won
- 8
- lost
- 0
- draw
- 1
- Status
- inactive
- Division
- featherweight
- Debut
- 1933-01-04
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1934-03-13 | Al Lopez | WWLLDW | Walkathon Arena, San Antonio | DRAW Points |
| 1933-12-26 | Marco Perez | DL | Walkathon Arena, San Antonio | WIN Points |
| 1933-03-15 | Frankie Escamilla | D | Beethoven Hall, San Antonio | WIN Points |
| 1933-03-06 | Kid Nacho | LLLLLD | Aztec Arena, San Antonio | WIN Points |
| 1933-03-02 | Ray Riviera | debut | Beethoven Hall, San Antonio | WIN Technical knockout |
| 1933-02-16 | Pancho Martinez | LLDLLL | Beethoven Hall, San Antonio | WIN Technical knockout |
| 1933-02-09 | Jimmy Gallo | D | Beethoven Hall, San Antonio | WIN Points |
| 1933-01-26 | Kid Mendez | WLL | Beethoven Hall, San Antonio | WIN Technical knockout |
| 1933-01-04 | Manuel Garza | debut | Beethoven Hall, San Antonio | WIN KO |
