Career
In 1992 in Barcelona at the Summer Olympics he represented Nigeria and was eliminated in the first round of the light middleweight division (7 to 8 against Raúl Márquez). Results 1990 Defeated James Pender (Scotland) RSCH-3 Defeated Alfred Ankamah (Ghana) 5-0 Defeated Anthony Mwamba (Zambia) 4-1 Defeated Greg Johnson (Canada) 5-0 1992 Summer Olympics Lost to Raúl Márquez (United States) 7-8 1996 Summer Olympics 1st round bye Defeated Omar Ahmed (Kenya) 15-4 Defeated Christophe Mendy (France) DQ 3 (1:01) Defeated Nate Jones (United States) 10-16 Lost to Félix Savón (Cuba) 2-20 In his first step up, he took on comebacking Oleg Maskaev, who defeated Defiagbon via split decision. In his next fight, he took on Cuban former cruiserweight champ Juan Carlos Gomez, who TKO"d Defiagbon in the 3rd.
He has not fought since this loss.