![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: 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://e0.365dm.com/20/05/1600x900/skysports-nikolai-valuev-boxing_4984199.jpg?20200506095750)
Nikolai Valuev: Biggest-ever heavyweight champ was 'gentle giant' stuck with ogre image | Boxing News | Sky Sports
![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
![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)
Wasserman Boxing on Twitter: "Happy birthday to two-time former Heavyweight World Champion 'The Russian Giant' Nikolai Valuev 👊 ⚫️ #TeamSauerland ⚫️ https://t.co/RvSTZcbo0s" / Twitter
🗓️Today Nikolai Valuev, 🇷🇺#Russian former professional #boxer🥊, #WBA #heavyweight champion celebrates his 47th Birthday🍾🎁! Holding a professional record of 50 wins and only 2 losses, he is the tallest & heaviest world
![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
![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)