Super lightweight · Puerto Rico
Edwin Rosario 47-6-0 40 KO · 1979–1997
Photo: Tony the Marine, CC BY 3.0 via Wikimedia Commons
Edwin Rosario was a super lightweight boxer from Puerto Rico, born Mar 15, 1963. Record 47-6-0 with 40 knockouts over 1979–1997. World titles: WBA super lightweight (1991–1992), WBA lightweight (1989–1990), WBA lightweight (1986–1987), WBC lightweight (1983–1984). Edwin Rosario last fought Harold Bennett on Sep 25, 1997 and won by KO in round 2 of 10.
Also: إدوين روزاريو · ادوين روزاريو · เอ็ดวิน โรซาริโอ +3 more エドウィン・ロサリオ · Chapo · Edwin Chapo Rosario
Born Mar 15, 1963
Died Dec 1, 1997
Country 🇵🇷 Puerto Rico, 🇺🇸 United States
Stance Orthodox
Height 168 cm
Reach 169 cm
Nickname Chapo
Debut Mar 3, 1979
Career 1979–1997
Rounds boxed 259
KO share 85%
Born in Toa Baja, Puerto Rico
Titles WBA, WBC lightweight · 1983–1990; WBA super lightweight · 1991–1992
Boxerbook rating 1919 ± 234 · inactive since Sep 1997Why here › Confirmed bouts 12 of 53
Career record Record
47-6-0, 40 KOs · 1979–1997
Last result W
Harold Bennett
KO 2/10 · Bayamon, 🇵🇷
The record 53 bouts, 1979–1997, newest first. Records under each bout are both boxers going in.
Bouts by source: English Wikipedia · 53, Wikipedia (ja) · 2
W
Harold Bennett
KO 2/10 · Bayamon, 🇵🇷
Rosario 46-6-0 · Bennett —
W
Sanford Ricks
KO 8/8 · Madison Square Garden, New York City, 🇺🇸
Rosario 45-6-0 · Ricks —
W
Roger Flores
Won WBA Fedecentro welterweight title PTS 12/12 · Bayamon, 🇵🇷
Rosario 44-6-0 · Flores —
W
Calvin Moody
DQ 3/8 · Mahi Temple Shrine Auditorium, Miami, 🇺🇸
Rosario 43-6-0 · Moody —
W
Maurice Roberson
TKO 4/10 · Bayamon, 🇵🇷
Rosario 42-6-0 · Roberson —
W
George Kellman
TKO 5/10 · San Juan, 🇵🇷
Rosario 41-6-0 · Kellman —
L
TKO 7/10 · The Pyramid, Memphis, 🇺🇸
Rosario 41-5-0 · Randall 45-2-1
L
Lost WBA super lightweight title TKO 1/12 · El Toreo de Cuatro Caminos, Mexico City, 🇲🇽
Rosario 41-4-0 · Hiranaka 19-1-0
W
Won WBA super lightweight title TKO 3/12 · Arco Arena, Sacramento, 🇺🇸
Rosario 40-4-0 · Garza 29-1-1
W
Dwayne Swift
MD 10/10 · Villa Roma Resort, Callicoon, 🇺🇸
Rosario 39-4-0 · Swift —
L
Lost WBA lightweight title RTD 8/12 · Madison Square Garden, New York City, 🇺🇸
Rosario 39-3-0 · Nazario 21-2-0
W
Anthony Jones
Won vacant WBA lightweight title TKO 6/12 · Showboat Hotel & Casino, Atlantic City, 🇺🇸
Rosario 38-3-0 · Jones —
W
Larry Benson
RTD 5/10 · Felt Forum, New York City, 🇺🇸
Rosario 37-3-0 · Benson —
W
Jesus Gallardo
TKO 8/10 · Felt Forum, New York City, 🇺🇸
Rosario 36-3-0 · Gallardo —
W
Juan Minaya
KO 4/10 · Felt Forum, New York City, 🇺🇸
Rosario 35-3-0 · Minaya —
W
Felipe Angulo
TKO 2/10 · Harrah's Marina Hotel Casino, Atlantic City, 🇺🇸
Rosario 34-3-0 · Angulo —
W
Rafael Gandarilla
TKO 3/10 · Felt Forum, New York City, 🇺🇸
Rosario 33-3-0 · Gandarilla —
W
Javier Cerna
KO 1/10 · Felt Forum, New York City, 🇺🇸
Rosario 32-3-0 · Cerna —
W
Ramiro Lozano
TKO 3/10 · Felt Forum, New York City, 🇺🇸
Rosario 31-3-0 · Lozano —
L
Lost WBA lightweight title TKO 11/12 · Las Vegas Hilton, Outdoor Arena, 🇺🇸
Rosario 31-2-0 · Chávez 56-0-0
Show all 53 bouts W
Retained WBA lightweight title KO 8/15 · UIC Pavilion, Chicago, 🇺🇸
Rosario 30-2-0 · Nazario 18-1-0
W
Roger Brown
KO 2/10 · Las Vegas Hilton, Outdoor Arena, 🇺🇸
Rosario 29-2-0 · Brown —
W
Won WBA lightweight title KO 2/15 · Abel Holtz Stadium, Miami Beach, 🇺🇸
Rosario 28-2-0 · Bramble 24-1-1
L
For WBC lightweight title SD 12/12 · Madison Square Garden, New York City, 🇺🇸
Rosario 28-1-0 · Camacho 28-0-0
W
Roque Montoya
KO 7/10 · Latham Coliseum, Latham, 🇺🇸
Rosario 27-1-0 · Montoya —
W
PTS 10/10 · York Hall, Bethnal Green, 🇬🇧
Rosario 26-1-0 · Randall 23-0-0
W
Alberto Ramos
KO 2/10 · Madison Square Garden, New York City, 🇺🇸
Rosario 25-1-0 · Ramos —
W
Eduardo Valdez
TKO 3/10 · Harrah's Marina Hotel Casino, Atlantic City, 🇺🇸
Rosario 24-1-0 · Valdez —
L
Lost WBC lightweight title TKO 4/12 · Hiram Bithorn Stadium, San Juan, 🇵🇷
Rosario 24-0-0 · Ramírez 87-5-0
W
Retained WBC lightweight title SD 12/12 · Coliseo Roberto Clemente, San Juan, 🇵🇷
Rosario 23-0-0 · Davis 26-1-0
W
Retained WBC lightweight title TKO 1/12 · Hiram Bithorn Stadium, San Juan, 🇵🇷
Rosario 22-0-0 · Elizondo —
W
Won vacant WBC lightweight title UD 12/12 · Coliseo Roberto Clemente, San Juan, 🇵🇷
Rosario 21-0-0 · Ramírez 82-4-0
W
TKO 3/10 · The Aladdin, Las Vegas, 🇺🇸
Rosario 20-0-0 · Viruet —
W
Dennis Quimayousie
TKO 1/10 · Showboat Hotel & Casino, Las Vegas, 🇺🇸
Rosario 19-0-0 · Quimayousie —
W
Ezzard Charles Adams
KO 3/10 · Caesars Palace, Las Vegas, 🇺🇸
Rosario 18-0-0 · Adams —
W
Ernesto Herrera
KO 3/10 · Curtis Hixon Hall, Tampa, 🇺🇸
Rosario 17-0-0 · Herrera —
W
Roberto Garcia
KO 2/10 · Caesars Palace, Outdoor Arena, 🇺🇸
Rosario 16-0-0 · Garcia —
W
James Martinez
UD 10/10 · Caesars Palace, Outdoor Arena, 🇺🇸
Rosario 15-0-0 · Martinez —
W
Rodrigo Aguirre
KO 8/10 · Sun Dome, Tampa, 🇺🇸
Rosario 14-0-0 · Aguirre —
W
Refugio Rojas
KO 2/10 · Madison Square Garden, New York City, 🇺🇸
Rosario 13-0-0 · Rojas —
W
Jose Resendez
TKO 6/8 · Caesars Palace, Las Vegas, 🇺🇸
Rosario 12-0-0 · Resendez —
W
Tony Tris
TKO 4/10 · Felt Forum, New York City, 🇺🇸
Rosario 11-0-0 · Tris —
W
Javier Flores
TKO 9/10 · Caesars Palace, Sports Pavilion, 🇺🇸
Rosario 10-0-0 · Flores —
W
Jose Luis Lara
TKO 2/10 · Metropolitan Sports Center, Bloomington, 🇺🇸
Rosario 9-0-0 · Lara —
W
Pascual Polanco
TKO 4/10 · San Juan, 🇵🇷
Rosario 8-0-0 · Polanco —
W
Leopoldo Frias
KO 2/8 · Coliseo Roberto Clemente, San Juan, 🇵🇷
Rosario 7-0-0 · Frias —
W
Pancho Muletta
KO 2/8 · San Juan, 🇵🇷
Rosario 6-0-0 · Muletta —
W
James Sowell
KO 2/8 · Shrine Exposition Center, Los Angeles, 🇺🇸
Rosario 5-0-0 · Sowell —
W
Jose Villegas
RTD 5/8 · Coliseum, San Diego, 🇺🇸
Rosario 4-0-0 · Villegas —
W
Julio Miranda
KO 4/8 · Santo Domingo, 🇩🇴
Rosario 3-0-0 · Miranda —
W
Enrique Maldonado
KO 3/8 · Santo Domingo, 🇩🇴
Rosario 2-0-0 · Maldonado —
W
Juan Caro
KO 1/8 · Santo Domingo, 🇩🇴
Rosario 1-0-0 · Caro —
W
Jorge Ortega
KO 2/8 · Santo Domingo, 🇩🇴
Rosario 0-0-0 · Ortega —
Ratings now Not in any current ranking.
World titles
Facts
What is Edwin Rosario's record? Edwin Rosario's professional record is 47-6-0 with 40 knockouts.
Who did Edwin Rosario fight last? Edwin Rosario last fought Harold Bennett on Sep 25, 1997 and won by KO in round 2 of 10.
Which world titles has Edwin Rosario held? Edwin Rosario has held 4 world title reigns: WBA super lightweight (1991–1992), WBA lightweight (1989–1990), WBA lightweight (1986–1987), WBC lightweight (1983–1984). Sources Boxerbook ID 3065 · permanent link boxerbook.com/id/3065 . Wikidata (CC0), English Wikipedia (CC BY-SA), photo from Wikimedia Commons. Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.
