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 that he had fought some strong opponents, but never an Olympic gold medalist. (Which is false, as he faced Lennox Lewis, who is a former Olympic Gold Medalist). He also said that he expected a tough and close fight against a young and talented fighter. Solis' manager Ahmet Öner had also acucsed Vitali Klitschko for avoiding this fight for a long time. The second press conference was held on March 14 in Cologne. The press conference was quiet and there were no trash talk at the conference, although they both promised a knockout. Ticket sales for the fight started on