![Russian heavyweight boxer Nikolai Valuev celebrates after his win against challenger John Ruiz of the U.S. in their WBA heavyweight title fight in Berlin August 30, 2008. REUTERS/Johannes Eisele (GERMANY Stock Photo - Russian heavyweight boxer Nikolai Valuev celebrates after his win against challenger John Ruiz of the U.S. in their WBA heavyweight title fight in Berlin August 30, 2008. REUTERS/Johannes Eisele (GERMANY Stock Photo -](https://c8.alamy.com/comp/2E84CEF/russian-heavyweight-boxer-nikolai-valuev-celebrates-after-his-win-against-challenger-john-ruiz-of-the-us-in-their-wba-heavyweight-title-fight-in-berlin-august-30-2008-reutersjohannes-eisele-germany-2E84CEF.jpg)
Russian heavyweight boxer Nikolai Valuev celebrates after his win against challenger John Ruiz of the U.S. in their WBA heavyweight title fight in Berlin August 30, 2008. REUTERS/Johannes Eisele (GERMANY Stock Photo -
![Russian boxer David Avanesyan and MMA heavyweight Alexander Volkov headline separate fight nights in London - BBC Sport Russian boxer David Avanesyan and MMA heavyweight Alexander Volkov headline separate fight nights in London - BBC Sport](https://ichef.bbci.co.uk/news/1024/branded_sport/EB03/production/_123736106_gettyimages-1344483039.jpg)
Russian boxer David Avanesyan and MMA heavyweight Alexander Volkov headline separate fight nights in London - BBC Sport
![Nikolai Valuev: The Russian Giant Who Disappeared from the Ring | News, Scores, Highlights, Stats, and Rumors | Bleacher Report Nikolai Valuev: The Russian Giant Who Disappeared from the Ring | News, Scores, Highlights, Stats, and Rumors | Bleacher Report](https://img.bleacherreport.net/img/images/photos/003/424/780/hi-res-6c3fd04cdd49e4adc716fcb123111b8b_crop_exact.jpg?w=1200&h=1200&q=75)
Nikolai Valuev: The Russian Giant Who Disappeared from the Ring | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![Former world heavyweight champion Nikolai Valuev is called up the Vladimir Putin's Russian army | Daily Mail Online Former world heavyweight champion Nikolai Valuev is called up the Vladimir Putin's Russian army | Daily Mail Online](https://i.dailymail.co.uk/1s/2022/09/29/16/62934011-0-image-a-3_1664466575097.jpg)
Former world heavyweight champion Nikolai Valuev is called up the Vladimir Putin's Russian army | Daily Mail Online
![Oleksandr Usyk: Heavyweight champion speaks exclusively to CNN after joining Ukrainian defense battalion | CNN Oleksandr Usyk: Heavyweight champion speaks exclusively to CNN after joining Ukrainian defense battalion | CNN](https://media.cnn.com/api/v1/images/stellar/prod/220301172633-02-oleksandr-usyk-ukraine-russia-boxing-spt-intl.jpg?c=16x9)
Oleksandr Usyk: Heavyweight champion speaks exclusively to CNN after joining Ukrainian defense battalion | CNN
![Klitschko brothers, former boxing world champions, among those leading the fight against Russia in Kyiv - pennlive.com Klitschko brothers, former boxing world champions, among those leading the fight against Russia in Kyiv - pennlive.com](https://www.pennlive.com/resizer/oH9dESNpaDRx70jK6N1NRH_ufaE=/1280x0/smart/cloudfront-us-east-1.images.arcpublishing.com/advancelocal/RI43Y7JMHBG7DIV6SERNAW3Y7Y.jpg)
Klitschko brothers, former boxing world champions, among those leading the fight against Russia in Kyiv - pennlive.com
![Nikolai Valuev: Biggest-ever heavyweight champ was 'gentle giant' stuck with ogre image | Boxing News | Sky Sports Nikolai Valuev: Biggest-ever heavyweight champ was 'gentle giant' stuck with ogre image | Boxing News | Sky Sports](https://i.ytimg.com/vi/5ziphkbMmkU/maxresdefault.jpg)
Nikolai Valuev: Biggest-ever heavyweight champ was 'gentle giant' stuck with ogre image | Boxing News | Sky Sports
![This Russian heavyweight boxer has just landed the last job anyone would ever have picked for him - Mirror Online This Russian heavyweight boxer has just landed the last job anyone would ever have picked for him - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article3622313.ece/ALTERNATES/n615/Nikolai-Valuev.jpg)
This Russian heavyweight boxer has just landed the last job anyone would ever have picked for him - Mirror Online
![Wasserman Boxing on Twitter: "Happy birthday to two-time former Heavyweight World Champion 'The Russian Giant' Nikolai Valuev 👊 ⚫️ #TeamSauerland ⚫️ https://t.co/RvSTZcbo0s" / Twitter Wasserman Boxing on Twitter: "Happy birthday to two-time former Heavyweight World Champion 'The Russian Giant' Nikolai Valuev 👊 ⚫️ #TeamSauerland ⚫️ https://t.co/RvSTZcbo0s" / Twitter](https://pbs.twimg.com/media/ECfeu-iWsAAV7qv.jpg)