VIDEO: Anthony Pettis Predicts KO Over 'Cowboy'

Anthony 'Showtime' Pettis was all business at the FOX UFC Saturdays Weigh In and is fired up to step back into the Octagon against Donald 'Cowboy' Cerrone. Pettis has got a knockout he's saving up for Cerrone and is pumped to get it done at FOX UFC Saturdays.

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