Submission Underground 27 took place Sunday, October 10, 2021 with 10 fights in Portland, Oregon....

Mason Fowler will be defending his belt for the third time against Bellator heavyweight champion and...

Submission Underground 16 took place Sunday, July 12, 2020 with 10 fights in Portland, Oregon....

Submission Underground 10 took place Sunday, December 22, 2019 with 8 fights at Roseland Theater in ...

Submission Underground 9 took place Sunday, July 7, 2019 with 6 fights at Roseland Theater in Portla...

Submission Underground 8 took place Sunday, May 12, 2019 with 6 fights at Roseland Theater in Portla...

Submission Underground 11 took place Sunday, February 23, 2020 with 3 fights at Roseland Theater in ...