Cy Jeffries boxer
- bouts
- 6
- won
- 1
- lost
- 5
- draw
- 0
- Status
- inactive
- Division
- welterweight
- Debut
- 1927-04-26
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1928-11-30 | Eddie Johnson | LLLWLW | La Crosse | LOST KO |
| 1928-11-09 | Angelo Puglisi | DWWWWW | Eau Claire | LOST KO |
| 1928-10-02 | Louis Mays | WLWWWW | Coliseum, Des Moines | LOST KO |
| 1928-09-28 | Jimmy Gill | WLLWDW | La Crosse | LOST |
| 1928-09-19 | Battling Nelson | WWWDLW | Electric Park, Waterloo | LOST |
| 1928-09-03 | Freddie Harris | W | Electric Park, Waterloo | WIN KO |
| 1927-09-22 | Tiger Johnny Compton | WWW | Minot | LOST KO |
| 1927-08-15 | Morris Green | WW | New Hippodrome Arena, Saint Paul | LOST KO |
| 1927-08-02 | Pat Delaney | debut | New Hippodrome Arena, Saint Paul | WIN |
| 1927-04-26 | Pete Campi | WLLLLW | Auditorium, Saint Paul | LOST |