The Mean Streets of Oregon just got a whole lot meaner.
Former UFC middleweight title contender Chael Sonnen, who continues to stay afloat in combat sports with regional endeavors like this one, will try his hand at fight promotion with "Submission Underground," a grappling event that debuts this summer in Portland.
Inside a cage, "to ensure the safety of the competitors involved by preventing them from tumbling from a raised platform or mat," according to the release.
The main event pits World Series of Fighting (WSOF) standout Jake Shields opposite Bellator MMA attraction Ben Henderson.