Dee ihe na-aga n'ihu maka paragraf a - Na egwuregwu All-Africa nke 1973
na Lagos, Nwankpa sonyere na asọmpi welter dị mfe. O ritere ihe nrite ọlaedo, mgbe o meriri Issake Dabore nke Niger na ngwụcha. O ritekwara nrite ọla edo n'egwuregwu welter-light na 1974 British Commonwealth Games, na-emeri Anthony Martey nke Ghana na ngwụcha.