SV Hamburg player Mario Vušković has had his doping ban doubled to four years by the Court of Arbitration for Sport (CAS), the German Anti-Doping Agency (NADA) said on Tuesday. Vušković appealed against an original two-year ban at the world’s highest sports court, imposed by the sports court of the German Football Federation (DFB) in March 2023 after he tested positive for the forbidden blood doping substance Epogen. NADA and the World Anti-Doping Agency (WADA) also appealed because they wanted the ban doubled to four years, and a hearing was conducted in May. “The appeal by the National Anti …