Nikolai Valuev vs. David Haye would agree to face Ruiz in a mandatory defence. Confirmed bouts: 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
Ruslan Chagaev Ruslan Chagaev Ruslan Shamilevich Chagaev (, "Ruslan Şamil ulı Çağayev"; ; ); born 19 October 1978) is an Uzbekistani former professional boxer who competed from 1997 to 2016. He is a two-time WBA heavyweight champion, having held the full world title from 2007 to 2009, and the Regular title from 2014 to 2016. Chagaev was the first Asian boxer to hold a heavyweight world title by any of the four major sanctioning bodies. In 2007 he defeated then-unbeaten Nikolai Valuev to win the WBA heavyweight title for the first time, and would make two successful defences. Due to injuries and