Submission Underground 12 was an electrifying MMA event held in Portland, Oregon on March 29, 2020. The event showcased a total of 9 intense fights, bringing together some of the best fighters in the sport. Fans gathered to witness incredible grappling techniques and high-stakes competition that keeps audiences on the edge of their seats. Weren't able to attend? Catch up on all the action and highlights from Submission Underground 12 right here!