This book collects articles written by Gianni Minà on Cassius Clay-Muhammad Ali from 5 March 1971 to today. Minà, for the TG2 of Rai, followed, from the beginning of the 1970s, the human and sporty adventure of the "American myth with the black face", the most prestigious boxer of the newly spent century. A sort of diary accompanied by the articles, dictated "by arm" in the night, from Los Angeles or by Las Vegas, from Kinshasa or by Manila, to the Corriere dello Sport and then also to La Repubblica and other newspapers. These chronicles of the Boxing Challenges of The Greatest with Frazier, Norton and Foreman characterized the United States of those years, those of the redemption of African Americans, of Malcolm X, by Martin Luther King, of the conquests of "Altra America", America Which struggled for the affirmation of "civil rights". Cassius Clay, who to embrace the Muslim faith had changed his name to Muhammad Ali, not only was the center of these sporting and social events, but he was in many moments one of the protagonists. Since then to the most recent times when, in 1991, he even committed to the release of some North American citizens kidnapped in Iraq from Saddam Hussein. The idea of this journey, in the memories of that professional era of Minà, was almost casually born from the curiosity of his wife Loredana who, putting in order some passages of the exterminate paper of the journalist, came across some chronicles of companies Louisville sample has discovered its fascination, acutely signaling it in the postfaction. To understand the phenomenon it is sufficient to consider that, after the refusal of him, in the 1960s, to go to the war in Vietnam, the law on the objection of consciousness has been changed to the United States. Minà has always had special attention to complex samples such as Maradona, Mennea, Tommy Smith, Lee Evans, Baggio and Tomba. The sensitivity on the affair of Cassius Clay, even now that the champion is afflicted by Parkinson's disease, is the proof and confirms the singularity of the book, which, not at random, is introduced by a prologue of Mina, Artist sum, but also Indisputable boxing expert.