The Ultimate Fighting Championship mixed martial arts event UFC 104 featured a title fight and Light Heavyweight Championship bout between Lyoto Machida and Mauricio Rua. Although disputed, Machida won the match by unanimous decision.
The event aired live on pay-per-view on October 24, 2009, from the Staples Center in Los Angeles, California.
UFC 104 Fight Card
Main Card
- Light Heavyweight Championship bout
- Lyoto Machida defeated Shogun Rua by unanimous decision
- Heavyweight bout
- Cain Velasquez defeated Ben Rothwell by TKO
- Lightweight bout
- Gleison Tibau defeated Josh Neer by unanimous decision
- Lightweight bout
- Joe Stevenson defeated Spencer Fisher by submission
- Welterweight bout
- Anthony Johnson defeated Yoshiyuki Yoshida by TKO
Spike TV Card
- Light Heavyweight bout
- Ryan Bader defeated Eric Schafer by unanimous decision
- Heavyweight bout
- Patrick Barry defeated Antoni Hardonk by TKO
Preliminary Card
- Middleweight bout
- Chael Sonnen defeated Yushin Okami by unanimous decision
- Middleweight bout
- Jorge Rivera defeated Rob Kimmons by TKO
- Light Heavyweight bout
- Kyle Kingsbury defeated Razak Al-Hassan by split decision
- Heavyweight bout
- Stefan Struve defeated Chase Gormley by submission