Anthony Joshua
As of June 2019, Joshua is ranked as the world's third best active heavyweight. His knockout-to-win ratio stands at 91%. Joshua is the second British boxer, after James DeGale, to win both a gold medal at the Olympics and a world title by a major professional sanctioning body, as well as being the first British heavyweight to do so. He is also the second boxer, after Joe Frazier, to win a world heavyweight title whilst still reigning as Olympic champion at the top weight.