His name sounds like a typo on a class roster, but there’s nothing accidental about his game. How a 20-year-old Californian with a geometry teacher’s brain is dismantling the power-hitting hierarchy of modern tennis.
Seeded 30th at the Australian Open? Two years ago, he was fighting for ranking points in obscure parking lots. Now he’s hunting Ben Shelton on Kia Arena. Here is what the locker room whispers about Monaco's newest silent assassin.