UFC 98: Evans vs. Machida was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on May 23, 2009 in Las Vegas, Nevada. Quinton Jackson, former UFC Light Heavyweight champion, was to fight the undefeated current champion Rashad Evans but had to undergo arthroscopic surgery to repair ligament damage in his jaw that he received in a previous training camp. Instead, Evans headlined the card against fellow undefeated contender Lyoto Machida.
| Actor | Role |
|---|---|
 Lyoto MachidaSelf | Self |
 Rashad EvansSelf | Self |
 Matt HughesSelf | Self |
 Matt SerraSelf | Self |
| DDrew McFedriesSelf | Self |
 Xavier Foupa-PokamSelf | Self |
 Chael SonnenSelf | Self |
 Dan MillerSelf | Self |
 Frankie EdgarSelf | Self |
 Sean SherkSelf | Self |
| BBrock LarsonSelf | Self |
 Mike PyleSelf | Self |
| TTim HagueSelf | Self |
 Pat BarrySelf | Self |
| KKyle BradleySelf | Self |
 Phillipe NoverSelf | Self |
 Krzysztof SoszynskiSelf | Self |
| AAndre GusmaoSelf | Self |
 Yoshiyuki YoshidaSelf | Self |
| BBrandon WolffSelf | Self |
 George RoopSelf | Self |
| DDave KaplanSelf | Self |