Former undisputed champion of the world Konstantin Tszyu.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/7972091@N05">Uncle Mong</a>
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<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/7972091@N05/2968942791">Kostya Tszyu</a>