Mandatory Credit: Photo by Pavlo Gonchar/SOPA Images/REX/Shutterstock (9914594f) Lennox Lewis, former Boxing Champion (L) and Vitali Klitschko, former heavyweight boxing champion and current Mayor of Kiev (R) seen as they look on screen remembering their fight on 2003, during ceremony of opening of the 56th WBC Convention in Kiev, Ukraine. The 56th WBC Convention, Kiev, Ukraine - 01 Oct 2018