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Road to the Octagon takes a look at the welterweight clash between BJ Penn and Rory MacDonald that is creating major buzz, including a tense moment at the pre-fight press conference Thursday in Seattle. Watch UFC on FOX: Henderson vs. Diaz, Saturday December 8 live on FOX, at 8PM ET | 5PM PT. Prelims begin on Facebook followed by three full hours of prelims on FX at 5PM ET | 2PM PT.