Alan Minter Middleweight Champion Vito Antuofermo's title at the Caesars Palace. He won the title by a 15-round decision and, in a rematch, he retained the world title by a TKO in eight rounds. Minter's run as world champion came to an end on 27 September of that year, when he was stopped on cuts in three rounds to Marvin Hagler at Wembley Arena in London. After the fight was stopped, Minter's supporters caused a riot, throwing beer cans and bottles into the ring and both boxers had to be ushered away by the police. Minter beat fringe contender Ernie Singletary in
Derek Minter riding Nortons in home short circuit races. The new team were to use older 1950s Gileras on which former World Champion rider Duke had much success, but which with the newer, upgraded tyre technology of the 1960s were considered still competitive. The team was devised by Duke to challenge the domination of Mike Hailwood on the MV, and had early successes at Silverstone and Brands Hatch in the UK, and Imola in Italy. In May 1963, whilst riding a 500 cc Manx Norton at Brands Hatch, Kent, Minter was involved in a battle for the lead with Dunstall Norton rider