Submission Underground 22 took place April 25th from Portland, Oregon.
Submission Underground 27 took place Sunday, October 10, 2021 with 10 fights in Portland, Oregon.
Submission Underground 26 takes place on August 13, 2021 in Portland, Oregon.
Submission Underground 25 took place Sunday, July 18, 2021 with 9 fights in Portland, Oregon.
