In 1963, Ali was still known as Cassius Clay. Having defeated name fighters Archie Moore and Henry Cooper, he was hyping his title fight with champ Sonny Liston. (It was after defeating Liston that he announced his new name). In the poem that closes his segment, he mentions Phil Foster (Jerry's first guest that night) and makes a cheeky reference to Jerry's show nearing the end of its tumultuous ABC run.
