Maria Sharapova during the Mubadala World Tennis Championship at the Zayed Sports City in Abu Dhabi in December. Chris Whiteoak / The National
Maria Sharapova during the Mubadala World Tennis Championship at the Zayed Sports City in Abu Dhabi in December. Chris Whiteoak / The National
'Tennis – I’m saying goodbye': former world No1 Maria Sharapova retires
Tennis ace calls it a day after slipping to 373 in rankings having struggled for the last few years
