Billy Alvarez boxer
- bouts
- 11
- won
- 4
- lost
- 6
- draw
- 1
- Status
- inactive
- Division
- welterweight
- Debut
- 1944-08-07
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Puerto Rico
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1947-09-20 | Fairest Norman | W | Ridgewood Grove, Brooklyn | LOST Technical knockout |
| 1946-09-23 | Nathan Brown | W | Dexter Park Arena, Woodhaven, Queens | LOST Points |
| 1945-11-29 | Charley Sabatelle | LWLLLL | Casino Hall, Carbondale | WIN Unanimous decision |
| 1945-11-12 | Patsy Gall | WWWWWW | Casino Hall, Scranton | DRAW Points |
| 1945-10-29 | Patsy Gall | LLWWWW | Casino Hall, Scranton | LOST KO |
| 1945-10-25 | Wayland Douglas | LLWDWW | Marieville Gardens, North Providence | LOST KO |
| 1945-10-18 | Wayland Douglas | LLLWDW | Marieville Gardens, North Providence | LOST Points |
| 1944-12-19 | Jimmy Isler | WW | Westchester County Center, White Plains | LOST KO |
| 1944-08-22 | Nick Restano | WDLWLD | Roosevelt Stadium, Union City | WIN Technical knockout |
| 1944-08-10 | Lou Nemer | debut | Fort Hamilton Arena, Brooklyn | WIN KO |
| 1944-08-07 | Jimmy Hicks | LLL | Meadowbrook Bowl, Newark | WIN KO |