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
Klitschko brothers from the boxing community, commonly being described as "boring" or "robotic". While initially an exciting fighter, a series of losses led him to hire legendary boxing trainer Emmanuel Steward to cultivate his defensive abilities. At 6′ 6″, and one of the largest heavyweights in the division, Wladimir typically relies on an excellent jab to keep opponents at arms reach, and then clinching opponents once they get too close. This was meant to fatigue opponents before he would knock them out in the later rounds or win on scorecards. Klitschko brothers Vitali Klitschko (born 19 July 1971) and Wladimir Klitschko (born