FILE - In this March 25, 2011 file photo, Dinara Safina, of Russia, returns the ball to Vera Zvonareva, also of Russia, at the Sony Ericsson Open tennis tournament in Key Biscayne, Fla. Safina has retired from tennis, according to her brother Marat Safin. Safin told Russian sports agency R-Sport on Friday that the 25-year-old Safina considers her decision "as a next step in her life." (AP Photo/Lynne Sladky, File)