Lightweight–Light Welterweight · Television Era (1960–1989)
Edwin Rosario
"Chapo"
47
Wins
6
Losses
0
Draws
41
KOs
87%
KO %
- Born
- 1963
- Died
- 1997
- Nationality
- Puerto Rico
- Career
- 1979–1997
A fearsome puncher from Puerto Rico.
Titles & Honours
- World Lightweight Champion (multiple reigns)
Career Timeline
1979–1997- Milestone
First recorded professional bout
vs Jorge Ortega · W KO
- Milestone
25th recorded win
vs Eduardo Valdez · TKO. Newspaper decisions excluded.
- Milestone
Latest recorded bout
vs Harold Bennett · W KO. Not necessarily the retirement date.
Title wins · dates not yet documented
Derived from the current archive and profile honours. Title-reign years are not exact bout dates; title claims are not independently verified. Signature fights use existing profile selections, or clearly labelled wins over other archived fighters when no selections exist. Year-only dates retain their original precision.
Photo Archive
1 archival photographs under their original licences.
Fight-by-Fight Record
| Date | Result | Opponent | Method | Round | Venue |
|---|---|---|---|---|---|
| 1979-03-03 | W | Jorge Ortega | KO | 2 | Santo Domingo, Dominican Republic |
| 1979-03-04 | W | Juan Caro | KO | 1 | Santo Domingo, Dominican Republic |
| 1979-03-27 | W | Enrique Maldonado | KO | 3 | Santo Domingo, Dominican Republic |
| 1979-05-12 | W | Julio Miranda | KO | 4 | Santo Domingo, Dominican Republic |
| 1979-07-20 | W | Jose Villegas | RTD | 5 | Coliseum, San Diego, California, US |
| 1979-08-01 | W | James Sowell | KO | 2 | Shrine Exposition Center, Los Angeles, California, US |
| 1979-09-22 | W | Pancho Muletta | KO | 2 | San Juan, Puerto Rico |
| 1980-02-18 | W | Leopoldo Frias | KO | 2 | Coliseo Roberto Clemente, San Juan, Puerto Rico |
| 1980-03-10 | W | Pascual Polanco | TKO | 4 | San Juan, Puerto Rico |
| 1980-07-07 | W | Jose Luis Lara | TKO | 2 | Metropolitan Sports Center, Bloomington, Minnesota, US |
| 1980-08-22 | W | Javier Flores | TKO | 9 | Caesars Palace, Sports Pavilion, Las Vegas, Nevada, US |
| 1981-04-10 | W | Tony Tris | TKO | 4 | Felt Forum, New York City, New York, US |
| 1981-05-23 | W | Jose Resendez | TKO | 6 | Caesars Palace, Las Vegas, Nevada, US |
| 1981-06-25 | W | Refugio Rojas | KO | 2 | Madison Square Garden, New York City, New York, US |
| 1981-07-18 | W | Rodrigo Aguirre | KO | 8 | Sun Dome, Tampa, Florida, US |
| 1981-09-16 | W | James Martinez | UD | 10 | Caesars Palace, Outdoor Arena, Las Vegas, Nevada, US |
| 1981-11-14 | W | Roberto Garcia | KO | 2 | Caesars Palace, Outdoor Arena, Las Vegas, Nevada, US |
| 1981-12-10 | W | Ernesto Herrera | KO | 3 | Curtis Hixon Hall, Tampa, Florida, US |
| 1982-01-30 | W | Ezzard Charles Adams | KO | 3 | Caesars Palace, Las Vegas, Nevada, US |
| 1982-03-21 | W | Dennis Quimayousie | TKO | 1 | Showboat Hotel & Casino, Las Vegas, Nevada, US |
| 1982-05-30 | W | Edwin Viruet | TKO | 3 | The Aladdin, Las Vegas, Nevada, US |
| 1983-05-01 | W | José Luis Ramírez | UD | 12 | Coliseo Roberto Clemente, San Juan, Puerto Rico |
| 1984-03-17 | W | Roberto Elizondo | TKO | 1 | Hiram Bithorn Stadium, San Juan, Puerto Rico |
| 1984-06-23 | W | Howard Davis Jr. | SD | 12 | Coliseo Roberto Clemente, San Juan, Puerto Rico |
| 1984-11-03 | L | José Luis Ramírez | TKO | 4 | Hiram Bithorn Stadium, San Juan, Puerto Rico |
| 1985-03-13 | W | Eduardo Valdez | TKO | 3 | Harrah's Marina Hotel Casino, Atlantic City, New Jersey, US |
| 1985-04-15 | W | Alberto Ramos | KO | 2 | Madison Square Garden, New York City, New York, US |
| 1985-06-16 | W | Frankie Randall | PTS | 10 | York Hall, Bethnal Green, London, England, UK |
| 1985-12-27 | W | Roque Montoya | KO | 7 | Latham Coliseum, Latham, New York, US |
| 1986-06-13 | L | Hector Camacho | SD | 12 | Madison Square Garden, New York City, New York, US |
| 1986-09-26 | W | Livingstone Bramble | KO | 2 | Abel Holtz Stadium, Miami Beach, Florida, US |
| 1987-03-07 | W | Roger Brown | KO | 2 | Las Vegas Hilton, Outdoor Arena, Las Vegas, Nevada, US |
| 1987-08-11 | W | Juan Nazario | KO | 8 | UIC Pavilion, Chicago, Illinois, US |
| 1987-11-21 | L | Julio César Chávez | TKO | 11 | Las Vegas Hilton, Outdoor Arena, Las Vegas, Nevada, US |
| 1988-06-02 | W | Ramiro Lozano | TKO | 3 | Felt Forum, New York City, New York, US |
| 1988-07-31 | W | Javier Cerna | KO | 1 | Felt Forum, New York City, New York, US |
| 1988-08-11 | W | Rafael Gandarilla | TKO | 3 | Felt Forum, New York City, New York, US |
| 1988-09-03 | W | Felipe Angulo | TKO | 2 | Harrah's Marina Hotel Casino, Atlantic City, New Jersey, US |
| 1988-10-27 | W | Juan Minaya | KO | 4 | Felt Forum, New York City, New York, US |
| 1989-02-09 | W | Jesus Gallardo | TKO | 8 | Felt Forum, New York City, New York, US |
| 1989-03-16 | W | Larry Benson | RTD | 5 | Felt Forum, New York City, New York, US |
| 1989-07-09 | W | Anthony Jones | TKO | 6 | Showboat Hotel & Casino, Atlantic City, New Jersey, US |
| 1990-04-04 | L | Juan Nazario | RTD | 8 | Madison Square Garden, New York City, New York, US |
| 1990-08-23 | W | Dwayne Swift | MD | 10 | Villa Roma Resort, Callicoon, New York, US |
| 1991-06-14 | W | Loreto Garza | TKO | 3 | Arco Arena, Sacramento, California, US |
| 1992-04-10 | L | Akinobu Hiranaka | TKO | 1 | El Toreo de Cuatro Caminos, Mexico City, Mexico |
| 1993-01-30 | L | Frankie Randall | TKO | 7 | The Pyramid, Memphis, Tennessee, US |
| 1993-08-11 | W | George Kellman | TKO | 5 | San Juan, Puerto Rico |
| 1997-05-22 | W | Maurice Roberson | TKO | 4 | Bayamon, Puerto Rico |
| 1997-06-07 | W | Calvin Moody | DQ | 3 | Mahi Temple Shrine Auditorium, Miami, Florida, US |
| 1997-07-17 | W | Roger Flores | PTS | 12 | Bayamon, Puerto Rico |
| 1997-08-23 | W | Sanford Ricks | KO | 8 | Madison Square Garden, New York City, New York, US |
| 1997-09-25 | W | Harold Bennett | KO | 2 | Bayamon, Puerto Rico |
Showing 53 of 53 recorded fights · last updated 2026-10-15. Imported record tables are not independently verified and may be incomplete. Early-era logs include newspaper decisions (NWS), which are not counted in the official totals above.
Record notes
Fight record last retrieved: 2026-10-11. Title histories remain subject to archival review.
Historical-era totals differ between record-keeping conventions (newspaper decisions, exhibitions).
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