Joe Kopfer (Cannon Ball) boxer
- bouts
- 4
- won
- 1
- lost
- 1
- draw
- 2
- Status
- inactive
- Division
- middleweight
- Debut
- 1922-09-01
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1932-05-18 | Jimmy Moore | LWWWWD | Beloit | DRAW |
| 1929-03-21 | Walter Page | DLLLDW | Convention Hall, Hutchinson | WIN |
| 1929-01-22 | Billy Fisher | LD | Chanute | DRAW |
| 1928-09-28 | Roy Clawson | debut | McCook | WIN KO |
| 1928-01-09 | Jimmy Carter | LWDWLW | Forum, Wichita | DRAW |
| 1927-09-28 | Eddie Dwyer | WLWDWW | Chanute | LOST |
| 1927-09-12 | Johnny Wagner | WWWLWW | Joplin | LOST |
| 1927-08-11 | Johnny Wagner | WWWWLW | Memorial Hall, Joplin | LOST |
| 1926-12-20 | Johnny Wagner | WDWWW | Memorial Hall, Fort Scott | LOST KO |
| 1926-10-18 | Pat Shelby | WWLL | Convention Hall, Hutchinson | WIN |
| 1926-08-03 | Eddie Dwyer | WDWLW | Convention Hall, Hutchinson | LOST |
| 1926-07-05 | Jimmy Carter | WWDLL | Neodesha | DRAW Points |
| 1926-02-11 | Eddie Dwyer | DDLDWD | Clay Center | LOST |
| 1922-09-01 | Elmer McMullen | LWWWW | Wichita | DRAW Points |