When Anthony Martial became the surprise marquee signing by Manchester United of 2015’s summer transfer window, not many outside France knew very much about him.
But, as the newly crowned soccer’s most expensive teenager—a record he took from teammate Luke Shaw that had until 2014 belonged to United captain Wayne Rooney—the young Frenchman had the world at his feet. Now, more than a decade later, a 30-year-old Martial is about to start the new season without a club and with his career hanging in the balance.