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
Aaron Davis (boxer) Aaron Davis (boxer) Aaron Davis (born April 8, 1967, in Bronx, New York, United States) was a professional boxer who was the welterweight champion of the world. Davis, known as "Superman", turned pro in 1986 and won his first 32 fights, including a 9th-round KO upset over Mark Breland to capture the WBA Welterweight Title in 1990. In 1993 he challenged Julio César Vásquez for the WBA Light Middleweight Title, but lost a close decision. He would never again fight for a major title, and he retired in 2002. Davis won the 1986 New York Golden Gloves 147 lb Open