UFC 109: Relentless
UFC 109: Relentless was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on February 6, 2010 at the Mandalay Bay Events Center in Las Vegas, Nevada.
- Year : 2010
- Country :
- Genre :
- Studio :
- Keyword : mixed martial arts
- Director : Anthony "Pasquale" Giordano
- Cast : Randy Couture, Mark Coleman, Chael Sonnen, Nate Marquardt, Paulo Thiago, Mike Swick