Gregory Costello boxer
- bouts
- 30
- won
- 12
- lost
- 13
- draw
- 5
- Status
- inactive
- Division
- featherweight
- Debut
- 1941-12-09
- Height
- 5′ 4″/163cm
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1944-12-18 | Clyde English | WDLLLL | St. Nicholas Arena, New York | LOST Points |
| 1944-12-12 | Rudy Rivera | LLLL | Jersey City Gardens, Jersey City | WIN Points |
| 1944-09-29 | Andy Klinges | WWDWWW | Madison Square Garden, New York | LOST Points |
| 1944-09-23 | Patsy Zoccano | WLLWLD | Ridgewood Grove, Brooklyn | WIN Points |
| 1944-09-15 | Frank Como | WW | St. Nicholas Arena, New York | WIN Points |
| 1944-09-05 | Al Bishop | LLLLLD | MacArthur Stadium, Brooklyn | DRAW Points |
| 1944-08-28 | Al Bishop | LLLLLL | Queensboro Arena, Long Island City, Queens | DRAW Points |
| 1943-10-16 | Jerry Coursal | LWWWWW | Ridgewood Grove, Brooklyn | LOST Points |
| 1943-10-12 | Zack Taylor | WLWLDL | Westchester County Center, White Plains | DRAW Points |
| 1942-09-25 | Freddie Addeo | WWWWWW | Madison Square Garden, New York | LOST Points |
| 1942-09-15 | Jimmy Paraggio | LLLWWL | New York Coliseum, Bronx | LOST Points |
| 1942-08-06 | Jimmy Warren | WDWWWW | Madison Square Garden, New York | LOST Points |
| 1942-07-21 | Willis Johnson | LLLLLL | MacArthur Stadium, Brooklyn | WIN Points |
| 1942-07-14 | Bobby Orellano | DLLLL | Walcliff Arena, Elmont, Long Island, | WIN KO |
| 1942-07-07 | Julian Malavez | LDWLWL | MacArthur Stadium, Brooklyn | WIN Points |
| 1942-06-23 | Julian Malavez | DDLDWL | New York Coliseum, Bronx | LOST Points |
| 1942-06-02 | Willie Bush | LLLLLL | New York Coliseum, Bronx | WIN Points |
| 1942-03-30 | Tommy Marino | LWLLWW | St. Nicholas Arena, New York | LOST Points |
| 1942-03-24 | Jeff Holloway | LWLLLL | New York Coliseum, Bronx | WIN Points |
| 1942-03-21 | Angel Gonzalez | DDWD | Ridgewood Grove, Brooklyn | LOST Points |
| 1942-03-16 | Tommy Marino | DWLWLL | St. Nicholas Arena, New York | LOST Points |
| 1942-03-09 | Julie Samuels | LLLLLL | St. Nicholas Arena, New York | WIN Technical knockout |
| 1942-03-03 | Izzy Goldstein | WDLL | New York Coliseum, Bronx | WIN Technical knockout |
| 1942-02-17 | Al Soto | WWLLW | New York Coliseum, Bronx | LOST Points |
| 1942-02-09 | Charley Aldrich | D | St. Nicholas Arena, New York | DRAW Points |
| 1942-02-03 | Julie Bort | LD | Westchester County Center, White Plains | LOST Points |
| 1942-01-12 | Al Soto | debut | St. Nicholas Arena, New York | LOST Points |
| 1942-01-05 | Julie Samuels | LLLLLL | St. Nicholas Arena, New York | WIN KO |
| 1941-12-29 | Julian Malavez | LWD | St. Nicholas Arena, New York | DRAW Points |
| 1941-12-09 | Willis Johnson | LLLLDL | New York Coliseum, Bronx | WIN Points |