►SUBSCRIBE http://bit.ly/SSBoxingSub Oleksandr Usyk discusses his rematch with Tyson Fury on December 23. Usyk was speaking at the Ukrainian embassy as part of the Ulez to Ukraine scheme. ►TWITTER: https://twitter.com/skysportsboxing ►FACEBOOK: http://www.facebook.com/skysportsboxing ►WEBSITE: http://www.skysports.com/boxing MORE FROM SKY SPORTS ON YOUTUBE:…