On January 16, 1999, a 38-year-old John Mugabi (42-6-1, 39 KOs) and a 27-year-old Australian boxer Glen Kelly (2-0, 2 KOs) met in the ring in a light-heavyweight bout.
Mugabi came in to the fight on a 1-fight losing streak with a 79% KO rate, and was fighting after a gap of 5 months and 28 days. Kelly was on a 2-fight win streak with a 100% KO rate, and fighting after a layoff of 4 months and 20 days.
Glen Kelly stopped John Mugabi via TKO in the 8th round. Kelly improves his record to 3-0 (3 KOs), while Mugabi adds a loss to his record at 42-7-1.
On July 19, 1998, a 38-year-old John Mugabi (42-5-1, 39 KOs) and Anthony Bigeni met in the ring in a light-heavyweight bout.
Mugabi came in to the fight on a 1-fight win streak with a 81% KO rate, and was fighting after a gap of 4 months and 23 days.
John Mugabi lost to Anthony Bigeni via TKO in the 8th round, and adds an loss to his record at 42-6-1.
On January 13, 1998, a 37-year-old John Mugabi (41-4-1, 39 KOs) and William Bo James met in the ring.
Mugabi came in to the fight after a draw in his last fight with a 84% KO rate, and was fighting after a gap of 26 days.
John Mugabi lost to William Bo James via unanimous decision in the 10-round fight, and adds an loss to his record at 41-5-1.
On November 20, 1991, 31-year-old John Mugabi (38-3, 38 KOs) and 24-year-old Gerald McClellan (22-2, 20 KOs) fought for the vacant WBO middleweight title.
Mugabi came in to the fight on a 2-fight win streak with a 92% KO rate, and was fighting after a gap of 2 months and 8 days. McClellan was on a 12-fight win streak with a 83% KO rate, and fighting after a layoff of 3 months and 7 days.
Gerald McClellan made quick work of John Mugabi, stopping Mugabi via TKO in the 1st. McClellan improves his record to 23-2 (21 KOs), while Mugabi adds a loss to his record at 38-4.
On March 31, 1990, the 30-year-old WBC super-welterweight world champion, John Mugabi (36-2, 36 KOs), faced a 22-year-old American boxer Terry Norris (23-3, 13 KOs), in a title defense fight.
Mugabi came in to the fight on a 11-fight win streak with a 94% KO rate, and was fighting after a gap of 2 months and 21 days. Norris was on a 3-fight win streak with a 50% KO rate, and fighting after a layoff of 4 months and 10 days.
Terry Norris made quick work of John Mugabi, stopping the champion via KO in the 1st. Norris improves his record to 24-3 (14 KOs), while Mugabi adds a loss to his record at 36-3.
On December 5, 1986, 26-year-old John Mugabi (25-1, 25 KOs) and Duane Thomas fought for the vacant WBC super-welterweight title.
Mugabi came in to the fight on a 1-fight losing streak with a 96% KO rate, and was fighting after a gap of 8 months and 25 days.
John Mugabi was defending his super-welterweight titles and, fighting for the super-welterweight WBC titles against Duane Thomas and lost via TKO in the 3rd round, and adds an loss to his record at 25-2.
On March 10, 1986, a 26-year-old John Mugabi (25-0, 25 KOs) got a shot at the undisputed middleweight championship held by 31-year-old Marvelous Marvin Hagler (61-2-2, 51 KOs).
Mugabi came in to the fight on a 25-fight win streak with a 100% KO rate, and was fighting after a gap of 7 months and 4 days. Hagler was on a 15-fight win streak with a 78% KO rate, and fighting after a layoff of 10 months and 23 days.
Marvelous Marvin Hagler stopped John Mugabi via KO in the 11th round of the 12-round world-title fight, and successfully defended his WBA, WBC, IBF, and The Ring middleweight titles. Hagler improves his record to 62-2-2 (52 KOs), while Mugabi adds a loss to his record at 25-1.