Hatsu Hioki knows what it means to the world of Japanese mixed martial arts for him to be successful in a UFC career that begins this Saturday night in Las Vegas against George Roop. He is well aware of what has happened to his countrymen Yushin Okami, Yoshihiro Akiyama, Takanori Gomi, “Kid” Yamamoto, and Caol Uno, in recent times, and he is determined not just to become the first Japanese fighter to win a UFC title, but to make a statement to the world.That statement is a simple, yet profou…