Cus D’Amato believed in brutal workout regimes due to the constant movement of the aggressively safe boxing style that is Peekaboo Boxing, a vast swath of stamina was required. Mike Tysons brutal training regime has become the stuff of legend.said to of contained thousands of squats, and hundreds of push ups, sit ups and dips, as well as 12 rounds of sparring and six rounds of bag work with a 5 mile jog too. Cus also believed in the importance of Psychology of fighting, Here is an old interview with Cus D’Amato and an up and coming 17 year old Mike Tyson. where he goes into depth of his knowledge and beliefs on what makes a fighter great. Be warned though, this video is almost two hours long, so watch it when you have plenty of time to kill.