Ansu Fati has been half-life in Barcelona. This summer, after 14 years as a blue granny, he said goodbye definitively when he was transferred to AS Monaco, in which he had already given up the previous season, for 11 million euros. "I fulfilled the dream of any child who is lucky enough to wear this shirt: play in the first team," he wrote.That damned menisco injury marked a before and after in his short and promising career.With the passage of …