Mario Vuskovic did not speak once during that day of the trial in February 2023. The second round of negotiations took place before the sports court of the German Football Association (DFB) in Frankfurt, which ruled on the positive test of the then 21-year-old defender from the Hamburg sports club. And Vuskovic, the defendant, looked like a spectator on the sidelines of a game in which all strangers seemed to be playing for the future of his own professional career.