* Fabricio Werdum, Josh Barnett and Scott Coker will all be in studio to discuss Strikeforce's upcoming heavyweight tournament. * Another Strikeforce heavyweight, Herschel Walker, will return to discuss his Jan. 29 fight against Scott Carson. * UFC middleweight Nate Marquardt will talk about his 2011 plans and his recent loss to Yushin Okami. * Mike Roberts, Chael Sonnen and Anthony Pettis' manager, will lay out what's next for his clients. * Jacob Volkmann will talk about getting a visit from the Secret Service and being featured on The Tonight Show after making comments about President Obama. * Mark Hominick will talk about his UFC fight against George Roop on Jan. 22 and a potential title fight against Jose Aldo. * And Matt Mitrione will stop by to deliver his "Mitrione Minute."

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Sport