Nikolai Valuev vs. David Haye Nikolai Valuev vs. David Haye Nikolai Valuev vs. David Haye, billed as "David vs Goliath", was a professional boxing match contested on 7 November 2009 for the WBA heavyweight championship. After regaining the WBA title with a unanimous decision over fellow former Champion John Ruiz Nikolai Valuev had made one defence gaining a very controversial majority decision over Evander Holyfield, he agreed to "Champion in Recess" Ruslan Chagaev, who had given Valuev the only defeat of career. However their fight on 30 May 2009 in Helsinki, Finland at the Hartwall Arena, was cancelled when Chagaev was declared medically unfit after
Undisputed champion World Boxing Foundation are disregarded. If a fighter wins all the titles but is stripped by one organization of its title, he may continue to be considered the undisputed champion. Roy Jones Jr. was spuriously promoted as the undisputed light heavyweight champion by HBO after unifying the WBA, WBC and IBF titles in June 1999, for which he was also awarded The Ring championship title in 2002. However, two of those belts (WBA and IBF) had been stripped from Dariusz Michalczewski, who had unified them with his WBO title by beating the Lineal champion Virgil Hill in June 1997, and