On January 20, 2007, the 33-year-old WBA heavyweight world champion, Nikolai Valuev (45-0, 33 KOs), faced a 36-year-old American boxer Jameel McCline (38-6-3, 23 KOs), in a title defense fight.
Valuev came in to the fight on a 45-fight win streak with a 73% KO rate, and was fighting after a gap of 3 months and 13 days. McCline was on a 6-fight win streak with a 48% KO rate, and fighting after a layoff of 5 months and 30 days.
Nikolai Valuev made easy work of Jameel McCline, stopping the challenger via RTD in the 3rd. Valuev improves his record to 46-0 (34 KOs), while McCline adds a loss to his record at 38-7-3.
On June 3, 2006, the 32-year-old WBA heavyweight world champion, Nikolai Valuev (43-0, 31 KOs), faced Owen Beck, in a title defense fight.
Valuev came in to the fight on a 43-fight win streak with a 72% KO rate, and was fighting after a gap of 5 months and 17 days.
Nikolai Valuev made easy work of Owen Beck, stopping the challenger via TKO in the 3rd. Valuev improves his record to 44-0 (32 KOs)
On August 30, 2008, Nikolai Valuev and John Ruiz met again in a rematch.
Valuev came in to the fight on a 2-fight win streak with a 69% KO rate, and was fighting after a gap of 6 months and 14 days. Ruiz was on a 2-fight win streak with a 56% KO rate, and fighting after a layoff of 5 months and 22 days.
Nikolai Valuev defeated John Ruiz via unanimous decision in the rematch. Valuev improves his record to 49-1, while Ruiz adds a loss to his record at 43-8-1.
On October 7, 2006, the 33-year-old WBA heavyweight world champion, Nikolai Valuev (44-0, 32 KOs), faced a 35-year-old American boxer Monte Barrett (31-4, 17 KOs), in a title defense fight.
Valuev came in to the fight on a 44-fight win streak with a 72% KO rate, and was fighting after a gap of 4 months and 4 days. Barrett was on a -1-fight win streak with a 48% KO rate, and fighting after a layoff of 1 year, 1 month, and 24 days.
Nikolai Valuev stopped Monte Barrett via TKO in the 11th round of the 12-round world-title fight, and successfully defended his WBA heavyweight title. Valuev improves his record to 45-0 (33 KOs), while Barrett adds a loss to his record at 31-5.
On December 17, 2005, a 32-year-old Nikolai Valuev (42-0, 31 KOs) got a shot at the WBA heavyweight title held by 33-year-old American boxer John Ruiz (41-5-1, 28 KOs).
Valuev came in to the fight on a 42-fight win streak with a 73% KO rate, and was fighting after a gap of 2 months and 16 days. Ruiz was on a 3-fight win streak with a 59% KO rate, and fighting after a layoff of 7 months and 17 days.
Nikolai Valuev defeated John Ruiz via majority decision and wins the WBA title — in his first world-title fight. Valuev improves his record to 43-0, while Ruiz adds a loss to his record at 41-6-1.
On December 20, 2008, the 35-year-old WBA heavyweight world champion, Nikolai Valuev (49-1, 34 KOs), faced a 46-year-old American boxer Evander Holyfield (42-9-2, 27 KOs), in a title defense fight.
Valuev came in to the fight on a 3-fight win streak with a 68% KO rate, and was fighting after a gap of 3 months and 20 days. Holyfield was on a -1-fight win streak with a 50% KO rate, and fighting after a layoff of 1 year, 2 months, and 7 days.
Nikolai Valuev defeated Evander Holyfield via majority decision and successfully defended his WBA heavyweight title. Valuev improves his record to 50-1, while Holyfield adds a loss to his record at 42-10-2.
On February 12, 2005, a 31-year-old Nikolai Valuev (39-0, 29 KOs) and Attila Levin met in the ring in a heavyweight bout.
Valuev came in to the fight on a 39-fight win streak with a 74% KO rate, and was fighting after a gap of 2 months and 23 days.
Nikolai Valuev stopped Attila Levin via TKO in the 3rd round. Valuev improves his record to 40-0 (30 KOs)
On July 24, 2004, a 30-year-old Nikolai Valuev (36-0, 27 KOs) and Richard Igbineghu met in the ring in a heavyweight bout.
Valuev came in to the fight on a 36-fight win streak with a 75% KO rate, and was fighting after a gap of 3 months and 7 days.
Nikolai Valuev stopped Richard Igbineghu via TKO in the 6th round. Valuev improves his record to 37-0 (28 KOs)
On October 9, 2004, a 31-year-old Nikolai Valuev (37-0, 28 KOs) and Paolo Vidoz met in the ring in a heavyweight bout.
Valuev came in to the fight on a 37-fight win streak with a 75% KO rate, and was fighting after a gap of 2 months and 15 days.
Nikolai Valuev stopped Paolo Vidoz via TKO in the 9th round. Valuev improves his record to 38-0 (29 KOs)
On June 30, 2001, a 27-year-old Nikolai Valuev (25-0, 21 KOs) and George Linberger met in the ring in a heavyweight bout.
Valuev came in to the fight on a 25-fight win streak with a 84% KO rate, and was fighting after a gap of 3 months and 24 days.
Nikolai Valuev stopped George Linberger via TKO in the 1st round. Valuev improves his record to 26-0 (22 KOs)