June 4, 2005 – Before a sold-out crowd at the MGM Grand in Las Vegas. UFC Light Heavyweight Champion Chuck Liddell makes his first title defense against the man who handed him his first ever defeat – Jeremy Horn. The undercard features the return of Randy "The Natural" Couture, the UFC debut of The Ultimate Fighter winner Diego Sanchez, and a highly anticipated welterweight match-up between Georges St. Pierre and Frank Trigg. A total of 8 fights.
James Irvin vs. Terry Martin
Trevor Prangley vs. Travis Lutter
Matt Lindland vs. Joe Doerksen
Georges St. Pierre vs. Frank Trigg
Diego Sanchez vs. Brian Gassaway
Randy Couture vs. Mike Van Arsdale
Tim Sylvia vs. Tra Telligman
Chuck Liddell vs. Jeremy Horn