Submission Underground 13 took place Sunday, April 26, 2020 with 10 fights in Portland, Oregon
Craig Jones
Self
Vinny Magalhães
Austin Vanderford
Richie Martinez
Gabriel Checco
Jake Ellenberger
Ethan Crelinstein
Andrew Alexander
Don Stoner
Alex Larmey
Joe Baize
Nick Maximov
Beautiful Disaster
2023
Never Back Down
2008
Gladiator Underground
2025
Never Back Down: Revolt
2021
Blood and Bone
2009
Undisputed III: Redemption
2010
Desperate Living
1977
Code 3
Unleashed
2005
The Threesome
The Big Brawl
1980
Monster House
2006
