One of the signature trilogies in mixed martial arts history had its first chapter 16 years ago Thursday. Chuck Liddell and Tito Ortiz ’s names will forever be linked. Both competitors are in the UFC Hall of Fame. Both held the UFC light heavyweight title. Both were key in helping resurrect MMA in North America from near-death to one of the true cultural phenomenons of the ’00s. On April 2, 2004, Liddell and Ortiz had the first of their three fights in the main event of UFC 47