On March 24, 1990, a 31-year-old Jose Luis Ramirez (102-8, 82 KOs) got a shot at the super-lightweight WBA title held by Juan Martin Coggi.
Ramirez came in to the fight on a 1-fight losing streak with a 74% KO rate, and was fighting after a gap of 7 months and 4 days.
Jose Luis Ramirez was defending his super-lightweight titles and, fighting for the super-lightweight WBA titles against Juan Martin Coggi and lost via unanimous decision in the 12-round super-lightweight fight, and adds an loss to his record at 102-9.
On August 20, 1989, Jose Luis Ramirez and Pernell Whitaker met again in a rematch.
Ramirez came in to the fight on a 1-fight win streak with a 75% KO rate, and was fighting after a gap of 5 months and 10 days. Whitaker was on a 3-fight win streak with a 57% KO rate, and fighting after a layoff of 3 months and 21 days.
Pernell Whitaker defeated José Luis Ramírez via unanimous decision . Whitaker improves his record to 19-1, while Ramirez adds a loss to his record at 102-8.
On October 29, 1988, the 29-year-old WBC lightweight champion, Jose Luis Ramirez (101-6, 82 KOs), and the 26-year-old WBA lightweight champion Julio César Chávez (61-0, 50 KOs) met in a title-unification fight.
Ramirez came in to the fight on a 11-fight win streak with a 76% KO rate, and was fighting after a gap of 7 months and 17 days. Chávez was on a 61-fight win streak with a 82% KO rate, and fighting after a layoff of 2 months and 28 days.
Julio César Chávez defeated José Luis Ramírez via technical decision and unifies the WBC, WBA, and The Ring lightweight titles. Chávez improves his record to 62-0, while Ramirez adds a loss to his record at 101-7.
On August 10, 1985, the 26-year-old WBC lightweight world champion, Jose Luis Ramirez (90-5, 75 KOs), faced a 23-year-old Puerto Rican boxer Hector Camacho (26-0, 15 KOs), in a title defense fight.
Ramirez came in to the fight on a 8-fight win streak with a 78% KO rate, and was fighting after a gap of 2 months and 4 days. Camacho was on a 26-fight win streak with a 57% KO rate, and fighting after a layoff of 3 months and 12 days.
Héctor Camacho defeated José Luis Ramírez via unanimous decision and wins the WBC title. Camacho improves his record to 27-0, while Ramirez adds a loss to his record at 90-6.
On May 1, 1983, 24-year-old Jose Luis Ramirez (82-4, 69 KOs) and 20-year-old Edwin Rosario (21-0, 20 KOs) fought for the vacant WBC lightweight title.
Ramirez came in to the fight on a 11-fight win streak with a 80% KO rate, and was fighting after a gap of 2 months and 5 days. Rosario was on a 21-fight win streak with a 95% KO rate, and fighting after a layoff of 11 months and 1 day.
Edwin Rosario defeated José Luis Ramírez via unanimous decision . Rosario improves his record to 22-0, while Ramirez adds a loss to his record at 82-5.
On July 19, 1981, a 22-year-old Jose Luis Ramirez (71-3, 60 KOs) and a 20-year-old American boxer Ray Mancini (19-0, 15 KOs) met in the ring.
Ramirez came in to the fight on a 4-fight win streak with a 81% KO rate, and was fighting after a gap of 2 months and 9 days. Mancini was on a 19-fight win streak with a 78% KO rate, and fighting after a layoff of 2 months and 3 days.
Ray Mancini defeated José Luis Ramírez via unanimous decision in the 12-round lightweight fight. Mancini improves his record to 20-0, while Ramirez adds a loss to his record at 71-4.
On November 14, 1980, a 21-year-old Jose Luis Ramirez (67-2, 57 KOs) and a 28-year-old Nicaraguan boxer Alexis Argüello (64-5, 53 KOs) met in the ring.
Ramirez came in to the fight on a 24-fight win streak with a 82% KO rate, and was fighting after a gap of 1 month and 3 days. Argüello was on a 8-fight win streak with a 76% KO rate, and fighting after a layoff of 3 months and 5 days.
Alexis Argüello defeated José Luis Ramírez via split decision in the 10-round fight. Argüello improves his record to 65-5, while Ramirez adds a loss to his record at 67-3.
On April 28, 1978, a 19-year-old Jose Luis Ramirez (43-1, 36 KOs) and a 31-year-old fellow Mexican boxer Rubén Olivares (83-9-1, 73 KOs) met in the ring.
Ramirez came in to the fight on a 22-fight win streak with a 81% KO rate, and was fighting after a gap of 2 months and 11 days. Olivares was on a 1-fight win streak with a 78% KO rate, and fighting after a layoff of 4 months and 22 days.
Rubén Olivares stopped José Luis Ramírez via TKO in the 2nd round. Olivares improves his record to 84-9-1 (74 KOs), while Ramirez adds a loss to his record at 43-2.
On April 30, 1975, a 16-year-old Jose Luis Ramirez (21-0, 17 KOs) and Sergio Enriquez met in the ring.
Ramirez came in to the fight on a 21-fight win streak with a 81% KO rate, and was fighting after a gap of 12 days.
Jose Luis Ramirez lost to Sergio Enriquez via points decision in the 10-round fight, and adds an loss to his record at 21-1.