Yuri Boyka
Yuri Boyka He is a Russian prison fighter who once reigned over the Chornya Cholmi Maximum Security Prison as the undisputed champion until his defeat at the hands of George Chambers. Years later he works to recover physically with a changed mindset, resuming his goal of becoming the most complete fighter in the world.
Boyko Yuriy is actually an American actor who played the corresponding character in the movie Undisputed. This is a real martial artist. Boyko Yuriy is considered a professional in his field in the movie. And the reason for this is daily training. Boyko Yuriy is not afraid to fight one against several people, realizing that you can only become stronger in this way, constantly increasing your combat potential.