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.
2/6/2010
12/1/2016
2/3/2023
9/12/2020
9/19/2020
9/16/2014
4/19/2014
4/26/2014
1/2/2010
1/14/2023
1/13/2024
10/1/2018
9/1/2021
2/17/2024
7/9/2016
12/13/2013
10/30/2022
12/3/2022
7/7/2016
7/13/2016
7/23/2016