On October 3, 1998, the 32-year-old WBC super-featherweight world champion, Genaro Hernández (38-1-1, 17 KOs), faced a 21-year-old Floyd Mayweather Jr. (17-0, 13 KOs), in a title defense fight.
Hernández came in to the fight on a 6-fight win streak with a 42% KO rate, and was fighting after a gap of 4 months and 17 days. Mayweather Jr. was on a 17-fight win streak with a 76% KO rate, and fighting after a layoff of 3 months and 19 days.
The champion refused to continue the fight in the 8th round, and Floyd Mayweather Jr. is crowned the new WBC super-featherweight world champion — in his first world-title fight. Mayweather Jr. improves his record to 18-0 (14 KOs), while Hernández adds a loss to his record at 38-2-1.
On September 9, 1995, a 29-year-old Genaro Hernández (32-0-1, 16 KOs) got a shot at the lightweight WBO title held by 22-year-old Oscar De La Hoya (18-0, 16 KOs).
Hernández came in to the fight on a 5-fight win streak with a 48% KO rate, and was fighting after a gap of 5 months and 9 days. De La Hoya was on a 18-fight win streak with a 88% KO rate, and fighting after a layoff of 4 months and 3 days.
The challenger refused to continue the fight in the 6th round, and Oscar De La Hoya is crowned the new lightweight world champion. De La Hoya improves his record to 19-0 (17 KOs), while Hernández adds a loss to his record at 32-1-1.