Submission Underground 25 took place Sunday, July 18, 2021 with 9 fights in Portland, Oregon.
Pedro Marinho
Self
Andy Varela
Edwin Najmi
Jeremy Kennedy
Keith Kirkorian
Joseph Mckay
Gustavo Pires
Nick Maximov
Colton Vaughn
Eric McConico
Aaron Tiegs
Zachary Minteer
Never Back Down
2008
Gladiator Underground
2025
Undisputed III: Redemption
2010
Beautiful Disaster
2023
Never Back Down: Revolt
2021
Unleashed
2005
Never Back Down 2: The Beatdown
2011
In Hell
2003
Blood and Bone
2009
Never Back Down: No Surrender
2016
47 Ronin
2013
The Big Brawl
1980
