Submission Underground 25 took place Sunday, July 18, 2021 with 9 fights in Portland, Oregon.

Submission Underground finally makes its 2021 debut today with Submission Underground 21. The card is headlined by the Submission Underground king and men’s champion Mason Fowler defending his belt against another SUG mainstay in “The Boogeyman” Richie Martinez. Both Martinez and Fowler won their most recent bouts by armbar in regulation at SUG’s last event, Submission Underground 20.

Submission Underground 14 took place Sunday, May 31, 2020 with 10 fights in Portland, Oregon.