753 ViewsOleksandr Usyk Knock Outs 2018 & Latest Highlights Undisputed Cruiserweight Champion Oleksandr Usyk Knockouts 2018 Highlights – He is the first boxer in history to hold all four major world championships at cruiserweight. SUBSCRIBE PLEASE: Boxing Fight Videos ” Oleksandr Usyk Knock Outs 2018 & Latest Highlights Undisputed Cruiserweight Champion, Oleksandr […]