Standing on the street, you’d have no idea that inside one of the many unassuming high rises in northeast Beijing, one of China's top MMA fighters is training for a fight that will be viewed around the world. But inside China Top Team's fifth-floor gym, there's no mistake that the 6-foot Li "The Leech" Jingliang can be seen in a crowd of 19 men and women sharpening their takedown defense on the mat.