Buuxi weedha soo socota:
Ciyaaraha Afrika ee 1973 ee ka dhacay Lagos, Nwankpa wuxuu ka qeyb galay tartanka miisaanka fudud ee welterweight. Wuxuu ku guuleystay billad dahab ah, isagoo ka adkaaday Issake Dabore oo reer Niger ah finalka. Waxa uu sidoo kale ku guuleystay billad dahab ah oo ka tirsan qaybta miisaanka fudud ee miisaanka fudud ee Ciyaaraha Barwaaqo-sooranka Ingiriiska ee 1974, isagoo ka adkaaday Anthony Martey oo reer Ghana ah finalka.