UFC Fight Night 81 Joe Rogan Video Preview: Anthony Pettis vs. Eddie Alvarez

Former lightweight champion Anthony Pettis returns to the Octagon for the first time since losing his belt last March while Eddie Alvarez looks to continue climbing up the lightweight ranks. Watch Pettis and Alvarez square off in the UFC Fight Night 81 co-main event from Boston on Jan. 17, and hear what Joe Rogan has to say about the match-up.

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