Submission Underground 6 Results: Tim Sylvia returns, Shields & Orchard shine

The brain child of mixed martial arts star, Chael Sonnen, Submission Underground has quickly become a popular outlet for competitive grappling. And that trend continued this last December 2nd weekend with Submission Underground 6, which brought a number of exciting matches and submission action.

The main event alone was enough to draw a massive amount of attention, as former Strikeforce champion Jake Shields battled UFC talent Gilbert Burns. Burns and Shields are two men who are well-known for their abilities in the MMA arena. But they’ve both been successful on the grappling circuit as well, with ADCC bronze medals to both their names. This match lived up to expectations and they each…