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 vs. Odlanier Solís Klitschko had no need to as the press conference and fight is in Germany. There had been some trash talk up to the fight. Odlanier Solis has accused Vitali Klitschko for spreading rumors about him, that he is lazy, because of how he trains. Solis said that he is in perfect shape and ready to defeat Klitschko. Vitali Klitschko on the other hand said that he will get rid of Odlanier Solis from the boxing world, after Solis has stated several times that he will defeat Klitschko, end his reign and send him to retirement. Vitali Klitschko had earlier said