Success has a way of softening professional fighters. Once they lose those sharp edges of hardship, they dull in fights. You remember “Rocky III,” right? Renowned MMA coach Duke Roufus does. It’s partially how he explains Anthony Pettis went from the top of the MMA world to struggling to stay in the top-15 rankings
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Anthony Pettis back on track after ‘Rocky III’ moment, coach Duke Roufus says – MMA Junkie