FILE - Garbiñe Muguruza of Spain waves to fans after defeating Linda Fruhvirtova, of the Czech Republic, during the second round of the U.S. Open tennis championships, Thursday, Sept. 1, 2022, in New York. Former top-ranked Garbiñe Muguruza has announced that she is retiring from professional tennis at age 30. (AP Photo/Seth Wenig, File)