Macci on Sinner: "Everything has changed

Rick Macci is a renowned and successful coach. Known for having coached the Williams sisters, Maria Sharapova and Andy Roddick, his opinion is generally listened to.

A frequent speaker on social networks, Macci tries to provide personal insight on a wide range of subjects. On Tuesday, for example, he gave a piece of advice to a certain Jannik Sinner: "The key to Sinner's game for the rest of his career will be the mental game. Everything has changed around him. He's now in the glorified and rare area with the Pope and soccer in Italy. But he's still the Italian standard-bearer, a pitch, a net and the competition."