Johnny Costello boxer
- bouts
- 15
- won
- 4
- lost
- 7
- draw
- 4
- Status
- inactive
- Division
- welterweight
- Debut
- 1929-10-23
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1934-10-24 | Frankie Cuenca | WWLDWW | Auditorium, Oakland | DRAW Points |
| 1932-09-07 | Eddie Griba | debut | San Rafael | LOST Points |
| 1932-08-24 | Wayne Petteway | DWWLLW | San Rafael | WIN Points |
| 1930-09-10 | Joe Bernal | WWW | Auditorium, Oakland | LOST Technical knockout |
| 1930-08-13 | Claude 'Kid' Capley | WWWWWL | National Hall, San Francisco | LOST Points |
| 1930-07-30 | Claude 'Kid' Capley | WWWWWW | National Hall, San Francisco | WIN Points |
| 1930-07-23 | Louis O'Neill | WWLWWW | Auditorium, Oakland | LOST Technical knockout |
| 1930-05-16 | Joe (Doc) Limas | DLWLWW | El Cerrito | LOST Points |
| 1930-01-08 | Joey Roberts | WLDWWL | Arcadia Pavilion, Oakland | LOST Points |
| 1929-12-06 | Paul Negri | WW | Dreamland Auditorium, San Francisco | DRAW Points |
| 1929-11-13 | Burt Kane | debut | Arcadia Pavilion, Oakland | WIN Points |
| 1929-11-08 | Paul Negri | debut | Dreamland Auditorium, San Francisco | LOST Technical knockout |
| 1929-11-06 | Tommy Nunes | WLWDLL | Arcadia Pavilion, Oakland | WIN Points |
| 1929-10-30 | Johnny Hansen | DDWWLD | Arcadia Pavilion, Oakland | DRAW Points |
| 1929-10-23 | Johnny Hansen | DDWWL | Arcadia Pavilion, Oakland | DRAW Points |