Oleksandr Usyk is a boxing world champion, He could have stayed in London and enjoyed millions of euros of wealth but he decided to return to Ukraine and join the army. :
Boxing: Usyk's difficult decision: "I don't want to kill anybody, but I might have no choice." | Marca
Ukrainian WBA and IBF boxing world champion Wladimir Klitschko (L) punches French contender Jean-Marc Mormeck during the heavyweight world championship fight at Esprit Arena in Duesseldorf, Germany, 03 March 2012. Klitschko retained
Why Can't America Love a Ukrainian Heavyweight Boxing Champ? - The Atlantic
Vitali and Wladimir Klitschko ready to fight for Ukraine
New world boxing champ Usyk: 'This was not even my best version' (VIDEO) - KyivPost - Ukraine's Global Voice
Boxing great Wladimir Klitschko urges world to 'act now' on Ukraine | Reuters
Max Boxing - Sub Lead - Artur Beterbiev and Oleksandr Gvozdyk, two champions, represent their countries
World boxing champion Oleksandr Usyk joins Ukrainian army to defend homeland
Fist Of Fury: Boxing Superstar Vasiliy Lomachenko Joins Ukrainian Armed Forces To Battle Invading Russians
Boxing P4P superstar Vasiliy Lomachenko carries M16 assault rifle as he fights on Ukraine front line against Russia
Usyk stuns Joshua with unanimous decision victory to become unified heavyweight champion | CBC Sports
Four World Champions at War: Usyk, The Klitschko Brothers and Lomachenko
Russia vs Ukraine War, World Boxing Champion Oleksandr Usyk: Putin, Stop This War! - Newsdelivers
UkrInform: Two world champions want to fight Lomachenko - KyivPost - Ukraine's Global Voice
Heavyweight champ Usyk calls for unity to stop war in Ukraine - AS.com
Klitschko brothers, former boxing world champions, among those leading the fight against Russia in Kyiv - pennlive.com
Ukrainian Boxer Usyk Wins World Heavyweight Title
Ukraine boxing brothers Vitali and Wladimir Klitschko fighting Russian invasion; 'I fear very much for their lives,' WBC chief says | South China Morning Post
Ukraine Boxer Viktor Postol Stopped By Gary Antuanne Russell
Oleksandr Usyk ends Anthony Joshua's reign as world heavyweight champion | South China Morning Post
Ukrainian boxer Usyk wins Unified Champion of the World title in fight against Russia's Gassiev (Video) | UNIAN
Ukraine sports stars joining fight against Russia
Ukrainian heavyweight boxing world champion Vladimir Klitschko celebrates with his brother Vitali (R) after defeating his Italian-born challenger Francesco Pianeta at the SAP arena in Mannheim, May 4, 2013. Klitschko stopped former
Russian invasion of Ukraine: boxing legend Klitschko calls on world leaders to 'act now' - AS.com
Ukrainian IBF, WBO, WBA and IBO heavyweight boxing world champion, Wladimir Klitschko (L), and his Polish challenger Wach fight at O2 World in Hamburg, Germany, 10 November 2012. Klitschko won the championship
