This is the sound of 15-year-old Nigerian boxer Tijani Abdulazeez training.He hits the target hard, again and again. He uses boxing gloves to protect his hands.Known as "TJ," the boy works out on a dusty piece of land in Alagbado, a neighborhood outside Lagos.TJ dreams that one day someone will see him box and help him travel to a country where he can grow even more in his sport.He dreams of training in a real sport center and competing against the best young boxers in the world."I want to become a professional fighter, like Anthony Joshua, Mike Tyson, Tyson Fury, and I want to represent Nigeria," TJ said.His boxing awards already decorate his small home.His father, Abdulfathi Abdulazeez, sells wood. But he also trains TJ and helps him get all the equipment for daily boxing training.