World No. 6 Matteo Berrettini, Miami Masters champion Carlos Alcaraz and Miami runner-up Casper Ruud have signed up to play Queen’s, the tournament announced. Berrettini, 25, is set to make his second appearance on the grass courts of Queen’s. Berrettini enjoyed a stunning debut at the Queen’s Club last year as he won the title after beating home favorite Cameron Norrie in the final. Alcaraz, 18, will be playing the first grass tournament of his career when he takes onto the court at the Queen’s Club. Ruud, who is enjoying a career-high ranking of No. 7 in the worl …