Carlos Alcaraz’s career and life have undergone a radical change in the past nine months. He will soon turn 19, yet the rising star from El Palmar is proving to be, tennis-speaking, much more mature than his age, even very precocious.In less than a year, the Spaniard has already put three trophies on the board, two of which in just over a month (Rio de Janeiro and Miami) of the highest level. And, given the results, the latter seems destined to rise further.”It’s still 60%,” his coach Juan Carlos Ferrero told Teledeporte. Level that inevitably leads fans and professionals to make comparisons, …