Submission Underground 13 took place Sunday, April 26, 2020 with 10 fights in Portland, Oregon
Richie Martinez, also known as “Boogeyman” is a jiu jitsu black belt under Eddie Bravo and one of the top 10th Planet Jiu Jitsu Academy representatives in grappling’s current competitive no-gi scene. An EBI and Onnit Invitational tournament runner-up, Richie is also the brother of another accomplished jiu jitsu competitor, Geo Martinez, the two being known as the “Freak Brothers” among the sport’s fans.