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              FILE - In this Jan. 13, 2017, file photo, Agnieszka Radwanska, of Poland, plays a shot to Britain's Johanna Konta during the women's singles final at the Sydney International tennis tournament in Sydney, Australia. Radwanska says she is retiring from tennis after a 13-year career. The 29-year-old, who reached a career-high ranking of No. 2, says she is "no longer able to train and play the way I used to." (AP Photo/Rick Rycroft, FIle)
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