Chazz Witherspoon (38-3, 29 KOs) will replace Tyrone Spong (14-0, 13 KOs), who was caught on doping in the battle against Oleksandr Usyk (16-0, 12 KOs). This was reported by well-known American boxing journalist Keith Idec.
The official announcement of the duel, scheduled for Saturday in Chicago, which for Usyk will be a debut in the heavyweight division, to be held in the nearest future.
38-year-old Witherspoon was once considered a promising boxer, but he never managed to break into the world's leadership.