All boxersEdwin Rosario
“Chapo”
Boxing · Deceased47-6-0RECORD
40WINS BY KO / TKO
7WINS BY DECISION
53PRO FIGHTS
Profile
| Full name | Edwin Rosario Rivera |
|---|---|
| Nickname | Chapo |
| Date of birth | 15 Mar 1963 |
| Died | 1 Dec 1997 |
| Nationality | Puerto Rican |
| Birthplace | Toa Baja, Puerto Rico |
| Based in | Not added yet |
| Weight classes | Lightweight, Light welterweight |
| Trainers | Manny Siaca Sr. |
| Height | 168 cm (5′6″) |
| Reach | 169 cm (67″) |
| Stance | Orthodox |
| Years active | 1979–1997 |
| Status | Deceased |
| Pro debut | 3 Mar 1979 |
| Last fight | Win vs Harold Bennett, 25 Sep 1997 |
Details on this page were compiled from public information on 10 Oct 2026 (the record is as of that date).
Titles and honours
- WBC lightweight champion (1983–1984)
- WBA lightweight champion (1986–1987, 1989–1990)
- WBA light welterweight champion (1991–1992)
Fight history
53 professional fights. Newest first.
| Result | Opponent | Method | Round | Time | Date | Location | Notes |
|---|---|---|---|---|---|---|---|
| Win | Harold Bennett | KO | 2 | 25 Sep 1997 | Bayamón, Puerto Rico | ||
| Win | Sanford Ricks | KO | 8 | 0:31 | 23 Aug 1997 | New York City, New York, USA | |
| Win | Roger Flores | Decision (points) | 12 | 17 Jul 1997 | Bayamón, Puerto Rico | ||
| Win | Calvin Moody | Disqualification | 3 | 1:09 | 7 Jun 1997 | Miami, Florida, USA | |
| Win | Maurice Roberson | TKO | 4 | 2:02 | 22 May 1997 | Bayamón, Puerto Rico | |
| Loss | Frankie Randall | TKO | 7 | 2:03 | 30 Jan 1993 | Memphis, Tennessee, USA | |
| Win | George Kellman | TKO | 5 | 11 Aug 1993 | San Juan, Puerto Rico | ||
| Loss | Akinobu Hiranaka | TKO | 1 | 1:32 | 10 Apr 1992 | Mexico City, Mexico | Lost WBA light welterweight title |
| Win | Loreto Garza | TKO | 3 | 1:09 | 14 Jun 1991 | Sacramento, California, USA | Won WBA light welterweight title |
| Win | Dwayne Swift | Decision (majority) | 10 | 23 Aug 1990 | Callicoon, New York, USA | ||
| Loss | Juan Nazario | TKO (corner retirement) | 8 | 3:00 | 4 Apr 1990 | New York City, New York, USA | Lost WBA lightweight title |
| Win | Anthony Jones | TKO | 6 | 2:00 | 9 Jul 1989 | Atlantic City, New Jersey, USA | Won vacant WBA lightweight title |
| Win | Larry Benson | TKO (corner retirement) | 5 | 16 Mar 1989 | New York City, New York, USA | ||
| Win | Jesus Gallardo | TKO | 8 | 1:26 | 9 Feb 1989 | New York City, New York, USA | |
| Win | Juan Minaya | KO | 4 | 1:44 | 27 Oct 1988 | New York City, New York, USA | |
| Win | Felipe Angulo | TKO | 2 | 3 Sep 1988 | Atlantic City, New Jersey, USA | ||
| Win | Rafael Gandarilla | TKO | 3 | 1:19 | 11 Aug 1988 | New York City, New York, USA | |
| Win | Javier Cerna | KO | 1 | 2:40 | 31 Jul 1988 | New York City, New York, USA | |
| Win | Ramiro Lozano | TKO | 3 | 2 Jun 1988 | New York City, New York, USA | ||
| Loss | Julio César Chávez | TKO | 11 | 2:43 | 21 Nov 1987 | Las Vegas, Nevada, USA | Lost WBA lightweight title |
| Win | Juan Nazario | KO | 8 | 2:43 | 11 Aug 1987 | Chicago, Illinois, USA | Retained WBA lightweight title |
| Win | Roger Brown | KO | 2 | 0:36 | 7 Mar 1987 | Las Vegas, Nevada, USA | |
| Win | Livingstone Bramble | KO | 2 | 2:28 | 26 Sep 1986 | Miami Beach, Florida, USA | Won WBA lightweight title |
| Loss | Hector Camacho | Decision (split) | 12 | 13 Jun 1986 | New York City, New York, USA | For WBC lightweight title | |
| Win | Roque Montoya | KO | 7 | 1:25 | 27 Dec 1985 | Latham, New York, USA | |
| Win | Frankie Randall | Decision (points) | 10 | 16 Jun 1985 | London, England | ||
| Win | Alberto Ramos | KO | 2 | 1:08 | 15 Apr 1985 | New York City, New York, USA | |
| Win | Eduardo Valdez | TKO | 3 | 1:36 | 13 Mar 1985 | Atlantic City, New Jersey, USA | |
| Loss | José Luis Ramírez | TKO | 4 | 2:52 | 3 Nov 1984 | San Juan, Puerto Rico | Lost WBC lightweight title |
| Win | Howard Davis Jr. | Decision (split) | 12 | 23 Jun 1984 | San Juan, Puerto Rico | Retained WBC lightweight title | |
| Win | Roberto Elizondo | TKO | 1 | 1:57 | 17 Mar 1984 | San Juan, Puerto Rico | Retained WBC lightweight title |
| Win | José Luis Ramírez | Decision (unanimous) | 12 | 1 May 1983 | San Juan, Puerto Rico | Won vacant WBC lightweight title | |
| Win | Edwin Viruet | TKO | 3 | 1:37 | 30 May 1982 | Las Vegas, Nevada, USA | |
| Win | Dennis Quimayousie | TKO | 1 | 1:52 | 21 Mar 1982 | Las Vegas, Nevada, USA | |
| Win | Ezzard Charles Adams | KO | 3 | 2:07 | 30 Jan 1982 | Las Vegas, Nevada, USA | |
| Win | Ernesto Herrera | KO | 3 | 2:02 | 10 Dec 1981 | Tampa, Florida, USA | |
| Win | Roberto Garcia | KO | 2 | 1:45 | 14 Nov 1981 | Las Vegas, Nevada, USA | |
| Win | James Martinez | Decision (unanimous) | 10 | 16 Sep 1981 | Las Vegas, Nevada, USA | ||
| Win | Rodrigo Aguirre | KO | 8 | 2:38 | 18 Jul 1981 | Tampa, Florida, USA | |
| Win | Refugio Rojas | KO | 2 | 1:47 | 25 Jun 1981 | New York City, New York, USA | |
| Win | Jose Resendez | TKO | 6 | 2:09 | 23 May 1981 | Las Vegas, Nevada, USA | |
| Win | Tony Tris | TKO | 4 | 10 Apr 1981 | New York City, New York, USA | ||
| Win | Javier Flores | TKO | 9 | 2:56 | 22 Aug 1980 | Las Vegas, Nevada, USA | |
| Win | Jose Luis Lara | TKO | 2 | 7 Jul 1980 | Bloomington, Minnesota, USA | ||
| Win | Pascual Polanco | TKO | 4 | 10 Mar 1980 | San Juan, Puerto Rico | ||
| Win | Leopoldo Frias | KO | 2 | 18 Feb 1980 | San Juan, Puerto Rico | ||
| Win | Pancho Muletta | KO | 2 | 22 Sep 1979 | San Juan, Puerto Rico | ||
| Win | James Sowell | KO | 2 | 1 Aug 1979 | Los Angeles, California, USA | ||
| Win | Jose Villegas | TKO (corner retirement) | 5 | 20 Jul 1979 | San Diego, California, USA | ||
| Win | Julio Miranda | KO | 4 | 12 May 1979 | Santo Domingo, Dominican Republic | ||
| Win | Enrique Maldonado | KO | 3 | 27 Mar 1979 | Santo Domingo, Dominican Republic | ||
| Win | Juan Caro | KO | 1 | 4 Mar 1979 | Santo Domingo, Dominican Republic | ||
| Win | Jorge Ortega | KO | 2 | 3 Mar 1979 | Santo Domingo, Dominican Republic |