Submission Underground 14 took place Sunday, May 31, 2020 with 10 fights in Portland, Oregon....
The submission grappling event created by Chael Sonnen, Submission Underground, returns for its 19th...
Submission Underground 17 is a grappling event that was held on Sunday 08.30.2020 at 12:00 PM ET in ...
Submission Underground 13 took place Sunday, April 26, 2020 with 10 fights in Portland, Oregon...
Submission Underground 12 took place Sunday, March 29, 2020 with 9 fights in Portland, Oregon....
Submission Underground finally makes its 2021 debut today with Submission Underground 21. The card i...
Submission Underground 22 took place April 25th from Portland, Oregon....
Submission Underground 23 takes place on May 23, 2021 in Portland, Oregon....
