Edwin Rosario losses
Over 19 years as a professional, Edwin Rosario compiled a 47-6 (40) record, including 13 title fights across three weight classes. He had six losses, five of them in title fights.
6. Edwin Rosario loses to Frankie Randall in their 2nd fight via KO
On January 30, 1993 Edwin Rosario faced Frankie Randall in a lightweight bout. It was their second meeting. Rosario was 29 years old with a record of 42-5, and Randall was 31 with a record of 45-2-1. Rosario was coming off a win and Randall was on a 14-fight winning streak. Randall stopped Rosario via TKO in the 7th round.
5. Edwin Rosario loses to Akinobu Hiranaka via KO
On April 10, 1992 Edwin Rosario defended his WBA super lightweight title against Akinobu Hiranaka. Rosario was 29 years old with a record of 41-4, and Hiranaka was 0 with a record of 0-0. Rosario was on a 2-fight winning streak. Hiranaka stopped Rosario via TKO in the 1st round. Lost the title.
4. Edwin Rosario loses to Juan Nazario in their 2nd fight via KO
On April 4, 1990 Edwin Rosario defended his WBA lightweight title against Juan Nazario. It was their second meeting. Rosario was 27 years old with a record of 39-3, and Nazario was 26 with a record of 21-2. Rosario was on a 8-fight winning streak and Nazario was on a 3-fight winning streak. Nazario stopped Rosario via retirement in the 8th round. Lost the title.
3. Edwin Rosario loses to Julio César Chávez via KO
On November 21, 1987 Edwin Rosario defended his WBA lightweight title against Julio César Chávez. Rosario was 24 years old with a record of 31-2, and Chávez was 25 with a record of 56-0. Rosario was on a 3-fight winning streak and Chávez was on an undefeated 56-fight winning streak. Chávez stopped Rosario via TKO in the 11th round. Lost the title. Lasted into the 11th round.
2. Edwin Rosario loses to Héctor Camacho via split decision
On June 13, 1986 Edwin Rosario fought Héctor Camacho for the WBC lightweight title. Rosario was 23 years old with a record of 28-1, and Camacho was 24 with a record of 28-0. Rosario was on a 4-fight winning streak and Camacho was on an undefeated 28-fight winning streak. Rosario lost via split decision. Failed to capture the title. Went the distance with Camacho.
1. Edwin Rosario loses to Jose Luis Ramirez in their 2nd fight via KO
On November 3, 1984 Edwin Rosario defended his WBC lightweight title against Jose Luis Ramirez. It was their second meeting. Rosario was 21 years old with a record of 24-0, and Ramirez was 25 with a record of 87-5. Rosario was on an undefeated 24-fight winning streak and Ramirez was on a 5-fight winning streak. Ramirez stopped Rosario via TKO in the 4th round. Lost the title.