Klitschko brothers 5 months & 13 days. Vitali retained the WBC Heavyweight Championship until 15 December 2013, relinquishing his belt in pursuit of his political aspirations in his native Ukraine. The Klitschko brothers jointly run the professional boxing promotion companies ""K2 Promotions"" and ""K2 East Promotions"", as well as the ""Klitschko Brothers Fund"", a charity organization. They appear together on German TV shows and commercials, have a website shared between them, and support each other's training and fights. After Vitali's retirement, Wladimir continued to reign as champion & successfully defend all remaining title belts except for the WBC belt. He eventually lost
Vitali Klitschko heavy shot in round one by Sanders and almost knocked down right at the end of the round, but by using upper-body movement and accurate punching he broke down Sanders over the following rounds, forcing referee Jon Schorle to stop the bout in the eighth. Vitali landed 60% of his power punches. Klitschko's first WBC title defense was against British boxer Danny Williams. Williams had become suddenly marketable from a KO over Mike Tyson in round 4. Klitschko scored a technical knockout against Williams in 8 rounds on 11 December 2004, while wearing an orange cloth to show support for