Harry Dedderman (Sailor) boxer
- bouts
- 40
- won
- 15
- lost
- 20
- draw
- 5
- Status
- inactive
- Division
- middleweight
- Debut
- 1924-10-08
- Height
- -
- Reach
- -
- Age
- 71
- Born
- 1900-11-28
- Death
- 1972-10-30
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1928-05-11 | Jack Beasley | WLLWWL | El Cerrito A.C., El Cerrito | LOST KO |
| 1928-04-17 | Johnny Barry | WLWWWD | Olympic Auditorium, Los Angeles | LOST Points |
| 1927-11-04 | Tiger Bob Robinson | WDWLDD | Sacramento | LOST Technical knockout |
| 1927-10-14 | Roy Cliffe | LLLLLD | Golden Gate Arena, San Francisco | LOST Technical knockout |
| 1927-09-28 | Tom Corbett | DWWDWW | National Hall, San Francisco | LOST Points |
| 1927-07-04 | Jesse Stringham | WWWDWL | Exposition Arena, Reno | LOST Technical knockout |
| 1927-05-31 | Ray Pelkey | LWLDWL | 10th Street Arena, Modesto | LOST Corner retirement |
| 1927-04-29 | Jimmy McDermott | LLLWWL | Lawton Springs Arena, Reno | WIN Technical knockout |
| 1927-04-22 | Jess DeMotte | WWWWWW | Watsonville | LOST Points |
| 1927-04-06 | Tiger Thomas | LWWDWD | Auditorium, Oakland | LOST Points |
| 1927-01-07 | Jeff Stringham | WWWLL | Dreamland Rink, San Francisco | LOST Points |
| 1927-01-04 | Jimmy Lyall | LWWLLL | Forman's Arena, San Jose | WIN Technical knockout |
| 1926-12-17 | Racehorse Roberts | DWDDWD | El Cerrito | WIN Points |
| 1926-11-12 | Clyde Keener | W | Dreamland Rink, San Francisco | WIN Points |
| 1926-11-03 | Jack Beasley | WDWWDW | Auditorium, Oakland | WIN Technical knockout |
| 1926-10-22 | Clyde Keener | debut | Dreamland Rink, San Francisco | LOST Points |
| 1926-10-01 | Jack Beasley | WWWDWW | Dreamland Rink, San Francisco | DRAW Points |
| 1926-08-30 | Jack Click | W | San Jose | DRAW Points |
| 1926-07-27 | Tex Gibson | WWWWW | San Jose | LOST Points |
| 1926-06-15 | Otto Robinson | WLWWLL | Armory, Portland | LOST Points |
| 1926-05-18 | Neil Campbell | LLLWLL | Armory, Portland | WIN Points |
| 1926-04-27 | Bob Smith | WLLWD | Armory, Portland | WIN Points |
| 1926-03-31 | Charley Long | WLWWLL | Auditorium, Oakland | LOST Points |
| 1926-02-26 | Jack Green | DWWWDW | Dreamland Rink, San Francisco | LOST Technical knockout |
| 1925-12-23 | Frankie Muskie | WWLWLW | National Hall, San Francisco | LOST Points |
| 1925-12-11 | Ray Still | LWLDWW | Sacramento | WIN Points |
| 1925-12-02 | George Barach | DLWWDW | National Hall, San Francisco | WIN Points |
| 1925-11-18 | Frankie Murphy | WLDDLD | Sportsmen's Club, Vallejo | DRAW Points |
| 1925-11-10 | Red Uhlan | LWWDDW | National Hall, San Francisco | DRAW Points |
| 1925-10-14 | Frank Morgan | DWWWD | National Hall, San Francisco | WIN Technical knockout |
| 1925-10-07 | Frank Morgan | DWWW | National Hall, San Francisco | DRAW Points |
| 1925-09-30 | Gunner Woods | WLLLLW | National Hall, San Francisco | WIN KO |
| 1925-08-07 | Ted Hoffman | debut | Sportsman's Club, Vallejo | WIN Points |
| 1925-07-16 | Henry Wildcat Borba | LLWLLW | San Jose | WIN Points |
| 1925-07-09 | Jack Riley | W | San Rafael | WIN KO |
| 1925-04-07 | Jimmy McCary | WL | Athletic Club, Petaluma | LOST Points |
| 1925-03-17 | Jack Attell | LWLWDD | Garibaldi Hall, San Francisco | LOST Points |
| 1924-10-30 | Young Logan | WWWWWW | Floral A.C., San Mateo | LOST Points |
| 1924-10-22 | Joe Ryan | debut | National Hall, San Francisco | WIN Technical knockout |
| 1924-10-08 | Jack Attell | LLLDWL | National Hall, San Francisco | LOST Points |
