Pat O'Brien boxeador
- luta
- 19
- vitória
- 2
- derrota
- 15
- empate
- 2
- Estado
- inactive
- divisão
- welterweight
- Estreia
- 1957-01-14
- Altura
- -
- Alcance
- -
- Idade
- -
- Born
- -
- Death
- -
- Nascimento
- Canada
| Data | Adversário | Últimos resultados dos adversários | Lugar | Resultado |
|---|---|---|---|---|
| 1959-04-11 | George Monroe | WWWWWL | Mechanics Hall, Worcester | LOST Points |
| 1959-03-26 | Joey Donovan | LWWWWW | Sunnyside Garden, Sunnyside, Queens | LOST Unanimous decision |
| 1959-02-23 | Tommy Garrow | WWWWLW | Arcadia Ballroom, Providence | LOST Unanimous decision |
| 1958-06-12 | Charlie Cummings | LLLWWL | Connie Mack Stadium, Philadelphia | LOST Points |
| 1958-03-04 | John Tombley | WWLDDW | Auditorium, Miami Beach | LOST Points |
| 1958-01-20 | Sid Lugo | WWWWWW | St. Nicholas Arena, New York | LOST Points |
| 1958-01-10 | Mike Spataro | DLWWWW | Madison Square Garden, New York | LOST Unanimous decision |
| 1957-12-11 | Aldo Mente | WLLWWW | Fort Homer Hesterly Armory, Tampa | DRAW Points |
| 1957-11-04 | Joe Fusco | LLWLLW | St. Nicholas Arena, New York | LOST Unanimous decision |
| 1957-10-05 | Roger Harvey | DDLLWW | Bermuda Tennis Stadium, Hamilton | LOST Points |
| 1957-08-31 | Roger Harvey | WDDLLW | Bermuda Tennis Stadium, Hamilton | LOST Unanimous decision |
| 1957-08-05 | Paul Berrios | LWL | St. Nicholas Arena, New York | WIN Technical knockout |
| 1957-06-10 | Eddie Lynch | WWWWWL | St. Nicholas Arena, New York | LOST Unanimous decision |
| 1957-05-20 | Artie Cintron | LLWLD | St. Nicholas Arena, New York | WIN Points |
| 1957-04-22 | Eddie Prince | WLLLLL | St. Nicholas Arena, New York | LOST Points |
| 1957-04-06 | George Thomas | debut | High School Gym, Arnold | DRAW Points |
| 1957-03-25 | Don Ross | WWW | Maple Leaf Gardens, Toronto | LOST Points |
| 1957-03-04 | George Ferenczi | DW | Maple Leaf Gardens, Toronto | LOST Split-decision |
| 1957-01-14 | Don Ross | W | Maple Leaf Gardens, Toronto | LOST Points |