Marcin Held vs. Garry Tonon Play-by-Play: Polaris Professional Jiu Jitsu Sherdog.com has live coverage of Saturday's Polaris Professional Jiu Jitsu Invitational at 1:30 p.m. ET/10:30 a.m. PT.

Sherdog’s Top 10: Overachievers For a number of accomplished mixed martial artists, grit, determination, durability and technical skill often trump athletic talent.

Video: Metamoris 4 Highlights If you didn’t catch Metamoris 4 on pay-per-view or at the Peterson Automotive Museum in Los Angeles, now’s the time to catch up.

Pictures: Sonnen Tapped Out By Galvao at Metamoris 4 Chael Sonnen was submitted by Strikeforce veteran Andre Galvao at Metamoris 4. Also, former UFC heavyweight champion Josh Barnett submitted Dean...

Andre Galvao Taps Out Chael Sonnen; Josh Barnett Submits Dean Lister at Metamoris 4 After a few anxious days of waiting to see if the Nevada Athletic Commission would actually step in and prevent their match from happening, elite jiu-jitsu player Andre Galvao climbed onto the mat to square off against Chael Sonnen in the...

Chael Sonnen vs. Andre Galvao Results: Metamoris 4 Play-by-Play Chael Sonnen will face Andre Galvao Saturday at Metamoris 4. Sherdog.com has live play-by-play of the action below starting at 7 p.m. ET/4 p.m....

Metamoris 4 Odds: Chael Sonnen Huge Underdog Against Andre Galvao Now that it appears that Chael Sonnen will compete at Metamoris 4 on Saturday, it’s worth pointing out what an enormous underdog he will be heading into his main event against...

Metamoris Founder Ralek Gracie Issues Statement on Chael Sonnen Two failed drug tests in one month’s time cost Chael Sonnen both his fighting career in the Octagon and his analyst’s chair at UFC Tonight....

Chael Sonnen, Josh Barnett Major Players for Metamoris 4 Less than a month after retiring from mixed martial arts, Chael Sonnen will make his debut for Brazilian jiu-jitsu promotion Metamoris on Aug. 9.

Hyped Bravo-Gracie Rematch Ends in Stalemate at Draw-Dominated Metamoris 3 Metamoris 3 came to a comclusion on Saturday afternoon with a fiery, yet inconclusive rematch nearly a decade in the making.