All the best footballers have nicknames. Lionel Messi is “The Flea”, Diego Maradona “The Golden Boy”, while Sergio “Kun” Aguero is named after a Japanese cartoon character. Then there’s Ronaldo Luís Nazário de Lima. He, rather aptly, is “The Phenomenon”. The three-time FIFA World Player of the Year was the star striker of a golden generation of Brazilian footballers…