APRIL 2, 2004 The premier mixed martial arts event in the world returns to the Mandalay Bay in Las Vegas for UFC 47: It's On! It is the most anticipated fight in UFC history. After years of waiting, Tito Ortiz and Chuck Liddell will meet in the main event. Their friendship is gone. There is no more respect. It's on And this time, it's personal. The undercard features such UFC stars as Andrei Arlovski, Cabbage Corriera, Robbie Lawler, Yves Edwards, Hermes Franca, and Genki Sudo.