On November 3, 1990, a 38-year-old Floyd Mayweather Sr. (28-5-1, 17 KOs) and Roger Turner met in the ring.
Mayweather Sr. came in to the fight on a 2-fight losing streak with a 50% KO rate, and was fighting after a gap of 5 years, 6 months, and 8 days.
Floyd Mayweather Sr. lost to Roger Turner via unanimous decision in the 10-round fight, and adds an loss to his record at 28-6-1.
On April 26, 1985, a 32-year-old Floyd Mayweather Sr. (28-4-1, 17 KOs) and a 25-year-old Marlon Starling (32-3, 20 KOs) met in the ring for the 2nd time, in a welterweight bout.
Mayweather Sr. came in to the fight on a 1-fight losing streak with a 51% KO rate, and was fighting after a gap of 1 year and 14 days. Starling was on a -1-fight win streak with a 57% KO rate, and fighting after a layoff of 10 months and 11 days.
In the rematch, Marlon Starling defeated Floyd Mayweather Sr. via unanimous decision in the 12-round welterweight fight. Starling improves his record to 33-3, while Mayweather Sr. adds a loss to his record at 28-5-1.
On April 12, 1984, a 31-year-old Floyd Mayweather Sr. (28-3-1, 17 KOs) and Clayton Hires met in the ring.
Mayweather Sr. came in to the fight on a 5-fight win streak with a 53% KO rate, and was fighting after a gap of 5 months and 17 days.
Floyd Mayweather Sr. lost to Clayton Hires via unanimous decision in the 10-round fight, and adds an loss to his record at 28-4-1.
On March 9, 1981, a 28-year-old Floyd Mayweather Sr. (19-2, 11 KOs) and a 21-year-old Marlon Starling (14-0, 8 KOs) met in the ring.
Mayweather Sr. came in to the fight on a 4-fight win streak with a 52% KO rate, and was fighting after a gap of 9 months and 15 days. Starling was on a 14-fight win streak with a 57% KO rate, and fighting after a layoff of 1 month.
Marlon Starling defeated Floyd Mayweather Sr. via unanimous decision in the 10-round fight. Starling improves his record to 15-0, while Mayweather Sr. adds a loss to his record at 19-3.
On September 9, 1978, a 25-year-old Floyd Mayweather Sr. (15-1, 7 KOs) and a 22-year-old Sugar Ray Leonard (13-0, 8 KOs) met in the ring.
Mayweather Sr. came in to the fight on a 11-fight win streak with a 43% KO rate, and was fighting after a gap of 15 days. Leonard was on a 13-fight win streak with a 61% KO rate, and fighting after a layoff of 1 month and 22 days.
Sugar Ray Leonard stopped Floyd Mayweather Sr. via TKO in the 10th round. Leonard improves his record to 14-0 (9 KOs), while Mayweather Sr. adds a loss to his record at 15-2.
On May 22, 1975, a 22-year-old Floyd Mayweather Sr. (4-0, 3 KOs) and Tyrone Phelps met in the ring.
Mayweather Sr. came in to the fight on a 4-fight win streak with a 75% KO rate, and was fighting after a gap of 14 days.
Floyd Mayweather Sr. lost to Tyrone Phelps via TKO in the 2nd round, and adds an loss to his record at 4-1.