Derrick Harmon has seven losses against seven opponents on his boxing record. For a list of Harmon's best fights, refer to "Best fights of Derrick Harmon".
On May 15, 2008 Derrick Harmon faced off against Michael Simms at age 38. He was coming in with a record of 25-7 (12). Harmon lost the fight via 6-round unanimous decision.
On May 26, 2005 Derrick Harmon faced off against Jorge Castro at age 35. He was coming in with a record of 24-6 (11), and Castro was 37 years old and with a record of 128-10-3 (88). Harmon lost the fight via 7th-round TKO.
On December 19, 2003 Derrick Harmon faced off against O'Neil Bell in a cruiserweight bout at age 33. He was coming in with a record of 23-5 (11), and Bell was 28 years old and with a record of 21-1-1 (20). Harmon lost the fight via 8th-round TKO.
On March 29, 2003 Derrick Harmon fought Dariusz Michalczewski in a light-heavyweight world-title fight for Michalczewski's WBO title. Harmon was 33 years old and with a record of 23-4 (11), and Michalczewski was 34 years old and with a record of 47-0 (37). Harmon lost the fight via 9th-round KO.
On July 21, 2002 Derrick Harmon faced off against Montell Griffin in a light-heavyweight bout at age 32. He was coming in with a record of 22-3 (10), and Griffin was 32 years old and with a record of 42-3 (29). Harmon lost the fight via 12-round unanimous decision.
On February 24, 2001 Derrick Harmon fought Roy Jones Jr. in a light-heavyweight world-title fight for Jones Jr.'s IBF and WBC titles. Harmon was 31 years old and with a record of 20-2 (10), and Jones Jr. was 32 years old and with a record of 43-1 (35). Harmon lost the fight via 10th-round retirement.
On April 3, 1999 Derrick Harmon faced off against Greg Wright at age 29. He was coming in with a record of 17-1 (10). Harmon lost the fight via 10-round split decision.
