Nikolai Valuev 7 November 2009, billed as "'David vs. Goliath"', Valuev faced off against former unified and lineal cruiserweight champion David Haye (22-1, 21 KOs) at the Arena Nürnberger Versicherung in Nuremberg. Valuev lost on points (114–114, 116–112, 116–112). Valuev announced his retirement from boxing in a Russian newspaper three days after the loss to Haye on 10 November 2009. In 2010, Valuev's doctor went on record saying that he is treating Valuev for "serious bone and joint problems". Valuev underwent two operations that required at least six months on the sidelines. Valuev confirmed in 2013 that medical advice was one of
John Ruiz out of retirement before it was found out that Toney would be suspended and he would be reinstated as champion. On December 17, 2005, Ruiz lost the WBA Championship in Berlin to 7 ft. tall, 324-lb. Russian Nikolai Valuev. The official outcome was a majority decision (scored 114-116, 113-116, and 114-114), but it was also a controversial one. Ruiz was convinced that his jab / combination-punch technique had given him a clear victory. He demanded that his promoter, Don King, set up an immediate re-match with the now-first-ever Russian world heavyweight champion. Ruiz's long-time manager, Norman Stone, declared that they