Submission Underground 28 took place Sunday, October 31, 2021 with 10 fights in 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 17 is a grappling event that was held on Sunday 08.30.2020 at 12:00 PM ET in Portland, Oregon.

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

Submission Underground 18 took place Sunday, October 4, 2020 with 10 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 23 takes place on May 23, 2021 in Portland, Oregon.