OLEKSANDR USYK CALLS OUT CONOR MCGREGOR in response to Tyson Fury vs Francis Ngannou

Following the London press conference for his upcoming defence against Daniel Dubois, unified world heavyweight champion Oleksandr Usyk also talks about Tyson Fury vs Francis Ngannou. Subscribe for updates - Follow on Twitter: Like on Facebook: SecondsOut is a world leader in boxing entertainment since 1999. Part of the Knockout TV YouTube MCN -