The knee injury Anthony Pettis suffered was relatively minor. A little tweak in the gym, he said. “One of those freak things that could happen to anybody,” explained his coach, Duke Roufus. Not that big a deal in the grand scheme of things, except that it forced him out of a planned title fight with UFC featherweight champion Jose Aldo .
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Anthony Pettis: Benson Henderson ‘manipulating the rules’ to keep UFC title – MMA Junkie