Johnny Otto (Johnny O'Brien) boxer
- bouts
- 23
- won
- 15
- lost
- 8
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1959-03-10
- Height
- -
- Reach
- -
- Age
- 82
- Born
- 1935-11-26
- Death
- 2018-05-08
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1967-01-25 | Jack Rodgers | WWWWWW | Palisades Rink, McKeesport | LOST KO |
| 1966-07-21 | Pete Riccitelli | WWWWWW | Exposition Building, Portland | LOST Technical knockout |
| 1966-01-26 | Renato de Moraes | WDWDWW | Torino | LOST Technical knockout |
| 1964-10-20 | Walker Simmons | WLLWLL | Woodhouse Arenatorium, North Dartmouth | LOST KO |
| 1964-08-24 | Felix Viera | W | Sargent Field, New Bedford | WIN Split-decision |
| 1964-08-10 | Lee Williams | LWWLLL | Sargent Field, New Bedford | WIN KO |
| 1964-07-20 | Tony Valenti | WDWLWW | Sargent Field, New Bedford | LOST Technical knockout |
| 1960-04-01 | Joe DeNucci | WWLWWW | Arena, Boston | LOST Points |
| 1960-02-22 | Willie Greene | WLWWWW | Arcadia Ballroom, Providence | LOST Unanimous decision |
| 1960-01-25 | Joe DeNucci | WWWLWW | Arcadia Ballroom, Providence | LOST Unanimous decision |
| 1960-01-18 | Willie Pollard | LDWWLL | Arcadia Ballroom, Providence | WIN KO |
| 1960-01-11 | Paul Rossi | LWLLWW | Arcadia Ballroom, Providence | WIN Technical knockout |
| 1959-12-02 | Mike DeFeo | WLWWLL | University Club, Boston | WIN Points |
| 1959-11-23 | JoJo Sanchez | WWWWLL | Arcadia Ballroom, Providence | WIN Technical knockout |
| 1959-11-02 | Bob Stevens | W | Arcadia Ballroom, Providence | WIN Technical knockout |
| 1959-07-04 | Dave Grant | LWWLWL | West Yarmouth | WIN Technical knockout |
| 1959-06-27 | Willie Rice | LWLLL | Mill Arena, West Yarmouth | WIN KO |
| 1959-05-18 | Charlie Hampton | L | Arcadia Ballroom, Providence | WIN KO |
| 1959-04-28 | Goldie Gomes | WWD | Woodrow Wilson Hall, New Bedford | WIN KO |
| 1959-04-21 | Gene Simmons | debut | Woodrow Wilson Hall, New Bedford | WIN KO |
| 1959-04-14 | Joe Christy | debut | Woodrow Wilson Hall, New Bedford | WIN KO |
| 1959-04-07 | Don Black | debut | Woodrow Wilson Hall, New Bedford | WIN KO |
| 1959-03-10 | Rocky Coppola | debut | Woodrow Wilson Hall, New Bedford | WIN Technical knockout |