Sylvester Pheifer (Pfeiffer?) boxer
- bouts
- 9
- won
- 1
- lost
- 8
- draw
- 0
- Status
- inactive
- Division
- middleweight
- Debut
- 1942-10-20
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1942-12-08 | Lee Matthews | LLLLDL | Westchester County Center, White Plains | WIN Technical knockout |
| 1942-12-05 | Ernest Barnwell | LWLWW | Ridgewood Grove, Brooklyn | LOST Points |
| 1942-11-24 | Frankie Young | WWWWLL | Arena, New Haven | LOST Points |
| 1942-11-23 | Al Barbosa | LLLLDW | St. Nicholas Arena, New York | LOST Points |
| 1942-11-16 | Cirvey Lee Kinsey | WL | Arena, Trenton | LOST Points |
| 1942-11-14 | Charley McPherson | WWLWWW | Ridgewood Grove, Brooklyn | LOST Points |
| 1942-10-31 | Ernest Barnwell | L | Ridgewood Grove, Brooklyn | LOST Points |
| 1942-10-24 | Mike Lewis | DWWW | Ridgewood Grove, Brooklyn | LOST Points |
| 1942-10-20 | Warner Reade | debut | Broadway Arena, Brooklyn | LOST Technical knockout |