Feb. 28 (UPI) -- Vasiliy Lomachenko, one of the world's top pound-for-pound boxers and a two-time Olympic gold medalist, joined a Ukrainian territorial defense battalion to help defend against Russian invaders, he announced.
Lomachenko announced the move Sunday on Facebook. Mixed martial arts fighter Yaroslav Amosov, Ballator's welterweight title-holder, also announced Saturday on social media that he will assist in Ukraine's defense against its invading neighbor.