Maria Sharapova only golfs.
Maria Sharapova . Several tennis pundits and former players have called Sharapova one of tennis 's best competitors , with John McEnroe calling her one of the best the sport has ever seen . The WTA Finals ( formerly known as the WTA Tour Championships short : WTA Championships ) , is a professional tennis tournament played annually at the end of the season for the top-ranked players on the Women 's Tennis Association ( WTA ) tour .