1: Youngest Heavyweight Champion At just 21, Floyd Patterson became the youngest heavyweight champion in 1956—a record that lasted until Mike Tyson broke it 30 years later. 2: First to Regain the Title Patterson made history as the first heavyweight to lose the belt and win it back. He knocked out Ingemar Johansson in their 1960 rematch. 3: Trained by Legendary Cus D’Amato Cus D’Amato shaped Patterson’s iconic peek-a-boo style and mindset—years before he trained Mike Tyson. 4: Olympic Gold Medal