Usyk survives scare, KO’s Dubois to retain titles Oleksandr Usyk withstood a controversial low blow and went on to score a dominant knockout victory over Daniel Dubois to retain his WBA, IBF and WBO heavyweight titles.

Joshua delivers massive KO, wants Wilder next Anthony Joshua started slow but produced a brilliant finish Saturday in London, scoring a one-punch knockout of Robert Helenius to set up a potential showdown with former champion Deontay Wilder next.