What great  boxer formerly known as Cassius Clay along with American former professional boxer and commentator trained at Gleason's Gym?
Gleason's Gym Gleason's is a boxing gym located on the Brooklyn waterfront. Since 1937, when the gym was founded in the Bronx, boxers with their eyes on Olympic glory or a shot at the title have been training at Gleason's. Fighters who trained at the gym include Jake LaMotta, Roberto Durán, Benny "Kid" Paret, Paulie Malignaggi, Gerry Cooney, and Mike Tyson. Before his first title fight against Sonny Liston, Muhammad Ali, then known as Cassius Clay, also trained at Gleason's.
José Nápoles José Ángel Nápoles, nicknamed "Mantequilla" ("Butter", referring to his smooth boxing style), (born April 13, 1940), is a Cuban-Mexican boxer and former World Welterweight Champion. He is frequently ranked as one of the greatest fighters of all time in that division and is a member of the International Boxing Hall of Fame. After debuting professionally in Cuba, he fought out of Mexico and became a Mexican citizen.