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
Kevin Johnson (boxer) Bruce Seldon in September 2008 in Atlantic City. Johnson defeated Devin Vargas on May 15, 2009. Johnson was declared winner by technical knockout after Vargas's corner threw in the towel early in the sixth round. With the win, Johnson earned a shot at the world title. On 12 December 2009 Johnson took on Vitali Klitschko for the WBC Heavyweight title in Bern, Switzerland. Klitschko was never troubled by Johnson in front of an 18,000-strong crowd. The previously unbeaten Johnson was unable to land his trademark jab on the 6 ft 7in Vitali, and went on to lose every round of