Ken Norton broke Ali's jaw early rounds this fight but Ali never gave up. The second fight Ali trained like he never trained before. He was running 5 miles a day in addition to his boxing training. You could see the difference in the second fight. He was dancing on his toes the whole fight. It was close but he pulled it out. When I think of Ali, Frazier, Norton, Foreman, Ron Lyle , Shavers and a few others in their prime it makes me hate the heavy weight class of today even more.