FILE - In this Monday, Oct. 10, 2016 file photo, Maria Sharapova speaks to members of the media prior to a World Team Tennis exhibition in Las Vegas, U.S. Sharapova will return from her 15-month doping ban at a tournament in Germany in April. (AP Photo/Is

FILE - In this Monday, Oct. 10, 2016 file photo, Maria Sharapova speaks to members of the media prior to a World Team Tennis exhibition in Las Vegas, U.S. Sharapova will return from her 15-month doping ban at a tournament in Germany in April. (AP Photo/Isaac Brekken, file)