On August 11, 1990, the 26-year-old WBC and IBF lightweight champion, Pernell Whitaker (22-1, 12 KOs), and the 26-year-old WBA lightweight champion Juan Nazario (22-2, 16 KOs) faced each other for the undisputed world championpionship.
Whitaker came in to the fight on a 7-fight win streak with a 52% KO rate, and was fighting after a gap of 2 months and 23 days. Nazario was on a 4-fight win streak with a 66% KO rate, and fighting after a layoff of 4 months and 7 days.
Pernell Whitaker made quick work of Juan Nazario, stopping Nazario via KO in the 1st. Whitaker improves his record to 23-1 (13 KOs), while Nazario adds a loss to his record at 22-3.
On May 19, 1990, the 26-year-old WBC and IBF lightweight world champion, Pernell Whitaker (21-1, 12 KOs), faced a 31-year-old Ghanaian boxer Azumah Nelson (31-1, 23 KOs), in a title defense fight.
Whitaker came in to the fight on a 6-fight win streak with a 54% KO rate, and was fighting after a gap of 3 months and 16 days. Nelson was on a 18-fight win streak with a 71% KO rate, and fighting after a layoff of 6 months and 14 days.
Pernell Whitaker defeated Azumah Nelson via unanimous decision and successfully defended his WBC and IBF lightweight titles. Whitaker improves his record to 22-1, while Nelson adds a loss to his record at 31-2.
On September 10, 1993, the 29-year-old WBC welterweight world champion, Pernell Whitaker (32-1, 15 KOs), faced a 31-year-old Mexican boxer Julio César Chávez (87-0, 73 KOs), in a title defense fight.
Whitaker came in to the fight on a 17-fight win streak with a 45% KO rate, and was fighting after a gap of 6 months and 4 days. Chávez was on a 87-fight win streak with a 83% KO rate, and fighting after a layoff of 4 months and 2 days.
The fight ended in a majority decision draw and both the fighters added a draw to their respective records — Whitaker is now 32-1-1 and Chávez, 87-0-1.
On November 18, 1995, the 31-year-old WBC welterweight world champion, Pernell Whitaker (36-1-1, 15 KOs), faced Jake Rodríguez, in a title defense fight.
Whitaker came in to the fight on a 4-fight win streak with a 39% KO rate, and was fighting after a gap of 2 months and 23 days.
Pernell Whitaker stopped Jake Rodríguez via KO in the 6th round of the 12-round world-title fight, and successfully defended his WBC welterweight title. Whitaker improves his record to 37-1-1 (16 KOs)
On April 30, 1989, the 25-year-old IBF lightweight world champion, Pernell Whitaker (17-1, 10 KOs), faced Louie Lomeli, in a title defense fight.
Whitaker came in to the fight on a 2-fight win streak with a 55% KO rate, and was fighting after a gap of 2 months and 12 days.
Pernell Whitaker made easy work of Louie Lomeli, stopping the challenger via TKO in the 3rd. Whitaker improves his record to 18-1 (11 KOs)
On March 6, 1993, a 29-year-old Pernell Whitaker (31-1, 15 KOs) got a shot at the WBC welterweight title held by 29-year-old Buddy McGirt (59-2-1, 44 KOs).
Whitaker came in to the fight on a 16-fight win streak with a 46% KO rate, and was fighting after a gap of 3 months and 5 days. McGirt was on a 21-fight win streak with a 71% KO rate, and fighting after a layoff of 1 month and 22 days.
Pernell Whitaker defeated Buddy McGirt via unanimous decision and wins the WBC title. Whitaker improves his record to 32-1, while McGirt adds a loss to his record at 59-3-1.
On September 20, 1996, Pernell Whitaker and Wilfredo Rivera met again in an immediate rematch.
Whitaker came in to the fight on a 6-fight win streak with a 40% KO rate, and was fighting after a gap of 5 months and 8 days. Rivera was on a -1-fight win streak with a 56% KO rate, and fighting after a layoff of 5 months and 8 days.
Pernell Whitaker defeated Wilfredo Rivera via unanimous decision in the rematch and successfully defended his WBC welterweight title. Whitaker improves his record to 39-1-1, while Rivera adds a loss to his record at 23-2-1.
On February 18, 1989, a 25-year-old Pernell Whitaker (16-1, 10 KOs) got a shot at the IBF lightweight title held by 28-year-old Greg Haugen (23-1, 11 KOs).
Whitaker came in to the fight on a 1-fight win streak with a 58% KO rate, and was fighting after a gap of 3 months and 16 days. Haugen was on a 4-fight win streak with a 45% KO rate, and fighting after a layoff of 3 months and 21 days.
Pernell Whitaker defeated Greg Haugen via unanimous decision and wins the IBF title — in his first world-title fight. Whitaker improves his record to 17-1, while Haugen adds a loss to his record at 23-2.
On January 24, 1997, the 33-year-old WBC welterweight world champion, Pernell Whitaker (39-1-1, 16 KOs), faced Diosbelys Hurtado, in a title defense fight.
Whitaker came in to the fight on a 7-fight win streak with a 39% KO rate, and was fighting after a gap of 4 months and 4 days.
Pernell Whitaker stopped Diosbelys Hurtado via TKO in the 11th round of the 12-round world-title fight, and successfully defended his WBC welterweight title. Whitaker improves his record to 40-1-1 (17 KOs)
On August 20, 1989, 25-year-old Pernell Whitaker (18-1, 11 KOs) and 30-year-old José Luis Ramírez (102-7, 82 KOs) fought for the vacant WBC lightweight title.
Whitaker came in to the fight on a 3-fight win streak with a 57% KO rate, and was fighting after a gap of 3 months and 21 days. Ramirez was on a 1-fight win streak with a 75% KO rate, and fighting after a layoff of 5 months and 10 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.