On October 3, 1998, a 21-year-old Floyd Mayweather Jr. (17-0, 13 KOs) got a shot at the WBC super-featherweight title held by 32-year-old Genaro Hernández (38-1-1, 17 KOs).
Mayweather Jr. came in to the fight on a 17-fight win streak with a 76% KO rate, and was fighting after a gap of 3 months and 19 days. Hernández was on a 6-fight win streak with a 42% KO rate, and fighting after a layoff of 4 months and 17 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 December 8, 2007, the 30-year-old WBC and The Ring welterweight world champion, Floyd Mayweather Jr. (38-0, 24 KOs), faced a 29-year-old British boxer Ricky Hatton (43-0, 31 KOs), in a title defense fight.
Mayweather Jr. came in to the fight on a 38-fight win streak with a 63% KO rate, and was fighting after a gap of 7 months and 3 days. Hatton was on a 43-fight win streak with a 72% KO rate, and fighting after a layoff of 5 months and 15 days.
Floyd Mayweather Jr. stopped Ricky Hatton via TKO in the 10th round of the 12-round world-title fight, and successfully defended his WBC and The Ring welterweight titles. Mayweather Jr. improves his record to 39-0 (25 KOs), while Hatton adds a loss to his record at 43-1.
On June 25, 2005, a 28-year-old Floyd Mayweather Jr. (33-0, 22 KOs) got a shot at the WBC super-lightweight title held by 33-year-old Canadian boxer Arturo Gatti (39-6, 30 KOs).
Mayweather Jr. came in to the fight on a 33-fight win streak with a 66% KO rate, and was fighting after a gap of 5 months and 3 days. Gatti was on a 5-fight win streak with a 66% KO rate, and fighting after a layoff of 4 months and 27 days.
The champion refused to continue the fight in the 6th round, and Floyd Mayweather Jr. is crowned the new WBC super-lightweight world champion. Mayweather Jr. improves his record to 34-0 (23 KOs), while Gatti adds a loss to his record at 39-7.
On May 5, 2012, a 35-year-old Floyd Mayweather Jr. (42-0, 26 KOs) got a shot at the WBA (Super) super-welterweight title held by 31-year-old Puerto Rican boxer Miguel Cotto (37-2, 30 KOs).
Mayweather Jr. came in to the fight on a 42-fight win streak with a 61% KO rate, and was fighting after a gap of 7 months and 18 days. Cotto was on a 3-fight win streak with a 76% KO rate, and fighting after a layoff of 5 months and 2 days.
Floyd Mayweather Jr. defeated Miguel Cotto via unanimous decision and wins the WBA (Super) title. Mayweather Jr. improves his record to 43-0, while Cotto adds a loss to his record at 37-3.
On December 19, 1998, the 21-year-old WBC super-featherweight world champion, Floyd Mayweather Jr. (18-0, 14 KOs), faced a 24-year-old Angel Manfredy (25-2-1, 20 KOs), in a title defense fight.
Mayweather Jr. came in to the fight on a 18-fight win streak with a 77% KO rate, and was fighting after a gap of 2 months and 16 days. Manfredy was on a 23-fight win streak with a 71% KO rate, and fighting after a layoff of 2 months and 27 days.
Floyd Mayweather Jr. made very easy work of Angel Manfredy, stopping the challenger via TKO in the 2nd. Mayweather Jr. improves his record to 19-0 (15 KOs), while Manfredy adds a loss to his record at 25-3-1.
On December 7, 2002, Floyd Mayweather Jr. and José Luis Castillo met again in an immediate rematch.
Mayweather Jr. came in to the fight on a 28-fight win streak with a 71% KO rate, and was fighting after a gap of 7 months and 17 days. Castillo was on a 1-fight win streak with a 80% KO rate, and fighting after a layoff of 4 months and 4 days.
Floyd Mayweather Jr. defeated José Luis Castillo via unanimous decision in the rematch and successfully defended his WBC and The Ring lightweight titles. Mayweather Jr. improves his record to 29-0, while Castillo adds a loss to his record at 46-6-1.
On January 20, 2001, the 23-year-old WBC super-featherweight world champion, Floyd Mayweather Jr. (24-0, 18 KOs), faced a 23-year-old Diego Corrales (33-0, 27 KOs), in a title defense fight.
Mayweather Jr. came in to the fight on a 24-fight win streak with a 75% KO rate, and was fighting after a gap of 2 months and 30 days. Corrales was on a 33-fight win streak with a 81% KO rate, and fighting after a layoff of 4 months and 18 days.
Floyd Mayweather Jr. stopped Diego Corrales via TKO in the 10th round of the 12-round world-title fight, and successfully defended his WBC super-featherweight title. Mayweather Jr. improves his record to 25-0 (19 KOs), while Corrales adds a loss to his record at 33-1.
On September 17, 2011, a 34-year-old Floyd Mayweather Jr. (41-0, 25 KOs) got a shot at the WBC welterweight title held by 24-year-old Victor Ortiz (29-2-2, 22 KOs).
Mayweather Jr. came in to the fight on a 41-fight win streak with a 61% KO rate, and was fighting after a gap of 1 year, 4 months, and 16 days. Ortiz was on a 1-fight win streak with a 66% KO rate, and fighting after a layoff of 5 months and 1 day.
Floyd Mayweather Jr. stopped the champion via KO in the 4th round of the 12-round world-title fight, and is crowned the new WBC welterweight champion. Mayweather Jr. improves his record to 42-0 (26 KOs), while Ortiz adds a loss to his record at 29-3-2.
On May 2, 2015, the 38-year-old WBA (Super), WBC, and The Ring welterweight champion, Floyd Mayweather Jr. (47-0, 26 KOs), and the 36-year-old WBO welterweight champion Manny Pacquiao (57-5-2, 38 KOs) met in a title-unification fight.
Mayweather Jr. came in to the fight on a 47-fight win streak with a 55% KO rate, and was fighting after a gap of 7 months and 19 days. Pacquiao was on a 3-fight win streak with a 59% KO rate, and fighting after a layoff of 5 months and 9 days.
Floyd Mayweather Jr. defeated Manny Pacquiao via unanimous decision and unifies the WBA (Super), WBC, The Ring, and WBO welterweight titles. Mayweather Jr. improves his record to 48-0, while Pacquiao adds a loss to his record at 57-6-2.
On November 1, 2003, the 26-year-old WBC and The Ring lightweight world champion, Floyd Mayweather Jr. (30-0, 20 KOs), faced a 26-year-old South African boxer Phillip N'dou (31-1, 30 KOs), in a title defense fight.
Mayweather Jr. came in to the fight on a 30-fight win streak with a 66% KO rate, and was fighting after a gap of 6 months and 13 days. N'dou was on a 21-fight win streak with a 93% KO rate, and fighting after a layoff of 4 months and 11 days.
Floyd Mayweather Jr. stopped Phillip N'dou via TKO in the 7th round of the 12-round world-title fight, and successfully defended his WBC and The Ring lightweight titles. Mayweather Jr. improves his record to 31-0 (21 KOs), while N'dou adds a loss to his record at 31-2.