Muhammad Ali Autographed Everlast Boxing Glove. Autographed Muhammad Ali red boxing glove. Muhammad Ali, born Cassius Marcellus Clay Jr., January 17, 1942 in Louisville, Kentucky, U.S. is a retired American boxer and three-time World Heavyweight Champion, who is widely considered to be one of the best heavyweight boxing champions ever. As an amateur, he won a gold medal in the light heavyweight division at the 1960 Summer Olympics in Rome. As a professional, he became the first person to win the heavyweight championship three times. This glove comes with a Steiner Sports Hologram and Certificate of Authenticity.