On May 15, 2008, a 38-year-old Derrick Harmon (25-6, 12 KOs) and Michael Simms met in the ring.
Harmon came in to the fight on a 1-fight win streak with a 38% KO rate, and was fighting after a gap of 1 year, 11 months, and 18 days.
Derrick Harmon lost to Michael Simms via unanimous decision in the 6-round fight, and adds a loss to his record at 25-7.
On May 26, 2005, a 35-year-old Derrick Harmon (24-5, 11 KOs) and a 37-year-old Argentinian boxer Jorge Castro (128-10-3, 88 KOs) met in the ring.
Harmon came in to the fight on a 1-fight win streak with a 37% KO rate, and was fighting after a gap of 11 months and 28 days. Castro was on a 6-fight win streak with a 62% KO rate, and fighting after a layoff of 3 months and 28 days.
Jorge Castro stopped Derrick Harmon via TKO in the 7th round. Castro improves his record to 129-10-3 (89 KOs), while Harmon adds a loss to his record at 24-6.
On December 19, 2003, a 33-year-old Derrick Harmon (23-4, 11 KOs) and a 28-year-old Jamaican boxer O'Neil Bell (21-1-1, 20 KOs) met in the ring in a cruiserweight bout.
Harmon came in to the fight on a 1-fight losing streak with a 40% KO rate, and was fighting after a gap of 8 months and 20 days. Bell was on a 3-fight win streak with a 87% KO rate, and fighting after a layoff of 6 months and 26 days.
O'Neil Bell stopped Derrick Harmon via TKO in the 8th round. Bell improves his record to 22-1-1 (21 KOs), while Harmon adds a loss to his record at 23-5.
On March 29, 2003, a 33-year-old Derrick Harmon (23-3, 11 KOs) got a shot at the light-heavyweight WBO title held by 34-year-old Polish boxer Dariusz Michalczewski (47-0, 37 KOs).
Harmon came in to the fight on a 1-fight win streak with a 42% KO rate, and was fighting after a gap of 4 months and 26 days. Michalczewski was on a 47-fight win streak with a 78% KO rate, and fighting after a layoff of 6 months and 15 days.
Dariusz Michalczewski stopped Derrick Harmon via KO in the 9th round of the 12-round world-title fight, and successfully defended his WBO light-heavyweight title. Michalczewski improves his record to 48-0 (38 KOs), while Harmon adds a loss to his record at 23-4.
On July 21, 2002, a 32-year-old Derrick Harmon (22-2, 10 KOs) and a 32-year-old Montell Griffin (42-3, 29 KOs) met in the ring in a light-heavyweight bout.
Harmon came in to the fight on a 2-fight win streak with a 41% KO rate, and was fighting after a gap of 3 months and 7 days. Griffin was on a 4-fight win streak with a 64% KO rate, and fighting after a layoff of 5 months and 4 days.
Montell Griffin defeated Derrick Harmon via unanimous decision in the 12-round light-heavyweight fight. Griffin improves his record to 43-3, while Harmon adds a loss to his record at 22-3.
On February 24, 2001, a 31-year-old Derrick Harmon (20-1, 10 KOs) got a shot at the light-heavyweight IBF and WBC title held by 32-year-old Roy Jones Jr. (43-1, 35 KOs).
Harmon came in to the fight on a 3-fight win streak with a 47% KO rate, and was fighting after a gap of 10 months and 23 days. Jones Jr. was on a 9-fight win streak with a 79% KO rate, and fighting after a layoff of 5 months and 15 days.
The challenger refused to continue the fight in the 10th round, and Roy Jones Jr. is crowned the new light-heavyweight world champion. Jones Jr. improves his record to 44-1 (36 KOs), while Harmon adds a loss to his record at 20-2.
On April 3, 1999, a 29-year-old Derrick Harmon (17-0, 10 KOs) and Greg Wright met in the ring.
Harmon came in to the fight on a 17-fight win streak with a 58% KO rate, and was fighting after a gap of 1 month and 28 days.
Derrick Harmon lost to Greg Wright via split decision in the 10-round fight, and adds a loss to his record at 17-1.