George Katsinopoulos is the Head Coach of Grappling Fight Team, Head Coach in Athanasopoulos Fighters, a great MMA, Brazilian Jiu Jitsu and Muay Thai instructor and everything I know about …
George Katsinopoulos is the Head Coach of Grappling Fight Team, Head Coach in Athanasopoulos Fighters, a great MMA, Brazilian Jiu Jitsu and Muay Thai instructor and everything I know about …