WADA appeals Jannik Sinner's steroid caseJannik Sinner, of Italy, serves to Taylor Fritz, of the United States, during the men's singles final of the U.S. Open tennis championships, Sunday, Sept. 8, in New York. 2024. (Frank Franklin II/AP) | September 28, 2024, 8:29 AM0September 28, 2024, 8:29 AM0