The highly touted Gary Russell Jr., won the 2005 National Golden Gloves Championship at the age of 16. Despite his success as an amateur, he has received a fair amount of criticism since turning pro. His doubters say that he has coasted to his perfect 24-0 record without facing any of the top opposition. On Saturday, June 21, Russell will face his toughest challenge to date in Vasyl Lomachenko, perhaps the most celebrated amateur boxer in history. Can Russell silence his critics with a victory over the Ukrainian and earn his first world title? Watch the video below to learn what inspires Russell, and don’t miss This Saturday’s SHOWTIME CHAMPIONSHIP BOXING event featuring Russell vs. Lomachenko, live at 10 p.m. ET/7 p.m. PT on SHOWTIME.