Tennis legends Kim Clijsters, left, and Martina Hingis wear Dallas Cowboys’ jerseys after an exhibition match in the Dallas Open’s annual Women’s Tennis Classic, Saturday, Feb. 1 ...

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NEW YORK -- OK, so Martina Hingis fires around more loose words than loose forehands. She is, in sporting lexicon, cocky. She pouts, she preens, and she pushes the sportsmanship envelope with ...

Martina Hingis has announced her retirement on Facebook. The 37-year-old's final tournament will be the WTA Finals in Singapore, where she and Yung-jan Chan are the top seeds. The duo won their ...