The 30-year-old Spaniard had not played a match for more than a year.
Former world number one and two-time Grand Slam winner Garbine Muguruza announced her retirement from tennis on Saturday after more than a year without playing."The time has come to say goodbye, it has been a long and beautiful career, but I feel the time has come to retire," Muguruza, 30, told a press conference at the Laureus Awards.
A TSA screening dog was showered with tennis balls at his retirement party. Messi, an 8-year-old labrador retriever, had his last run as a TSA passenger screening canine at Ronald Reagan Washington National Airport on Friday 19 April. He sniffed one final bag at the end of his shift, before being showered in tennis balls under a sign that read: “Congrats!