When he was a young boy, Rocky built himself a homemade weightlifting set-up and made a heavy bag by hanging a stuffed mailbag from a tree in his back yard. Growing to just 5’10” and weighing less than 200 lbs., he was a small heavyweight and he lacked the technical boxing skills seen at the professional level. However it soon became clear that he had greater heart, knockout power and physical conditioning than any man alive. Marciano believed endurance was his biggest weapon and was completely