Cassius Clay (Ali) Makes His Professional Debut On this day, in 1960 after winning the gold medal in the 1960 Olympics, Cassius Marcellus Clay Jr. (later he became Muhammad Ali) made his professional debut winning a six-round decision over Tunney Hunsake. October 29, 1960 Sport: Boxing Trivia What Are the Five Events That Make Up the Modern Olympic Pentathon? Which Nations Won the Gold, Silver and Bronze Medals the Last Time Baseball Was an Olympic Sport? sports in this article Boxing tags in this article Fan On This Day SportsEngine