This handout photograph taken by Rizin Fighting Federation on November 5, 2018 shows Japanese kickboxer Tenshin Nasukawa (right) posing during a press conference to announce his fight with US boxer Floyd Mayweather Jr. AFP PHOTO / RIZIN FIGHTING FEDERATION
TOKYO: Japanese kickboxer Tenshin Nasukawa, who aims to make history by defeating boxing superstar Floyd Mayweather Jr, claims his left-hook is like a "bolt of lightning" that will "change the world."