Quintuple champion title. He moved down in weight to net the Middleweight (160 lbs) crown and finally moved back in weight up to Super Middleweight (168 lbs) to become the first Quintuple Champion in the history of boxing. Since then some boxers have won six titles and become the Sextuple champions. Quintuple champion In different sports an athlete who wins five crowns, titles, medals, belts, or other distinctions is called a Quintuple Champion. In boxing, a quintuple champion is a boxer who has won world titles in at least five different weight classes. The first man in boxing to earn this distinction
Derek Minter a farm labourer to earn the extra money needed to buy his first bike in 1948, a 350 cc BSA which he also used for trials riding. After National Service in the Royal Air Force, Minter worked for motorcycle dealer Ray Hallet at Hallets of Canterbury. Hallet had been a road race and grass track rider and Minter accompanied him to the Isle of Man as his mechanic for the Manx Grand Prix. Hallet provided Minter with a CB34 500 cc BSA Gold Star which was prepared for racing and stripped of unnecessary weight, but retained the standard, roadster-based equipment