Submission Underground 29 took place Sunday, December 12, 2021 with 9 fights in Portland, Oregon.
Andy Varela
Sean Strickland
Mercedes White
Tara LaRosa
John Simon
Phelan Carron
Matt Ferraiolo
Travis Moore
Jesse Hardenbrook
Jimmy Altman
Kemoy Anderson
Terren Casson
Colton Vaughn
Zachary Minteer
Mark Hamel
Jason Patterson
Caleb Stecker
Ian King