 Insiguro yisanamu, Marcel Nzau Mayamba, umunyamabanga mukuru wurukino rwa Boxe mu gihugu ca RDC Marcel Nzau Mayambula, umunyamabanga mukuru wishirahamwe ryabagira urukino rwo gukubitana ingumu mu gihugu ca RDC, yari afise imyaka 22, akaba yaragiye kurorero urwo rukino. 