Juan Martin del Potro

Novak Djokovic celebrates match point against Juan Martin del Potro in the US Open men's final on Sept. 9, 2018, at the USTA Billie Jean King National Tennis Center.
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September 09, 2018 - 8:55 pm
By The Associated Press The U.S. Open final suddenly appeared to be slipping away from Novak Djokovic. He dropped three consecutive games. He was angered by a crowd roaring for his popular opponent, Juan Martin del Potro. He was, in short, out of sorts. And then came Sunday's pivotal game, a 20-...
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Novak Djokovic celebrates match point against Kei Nishikori in the U.S. Open semifinals at the USTA Billie Jean King National Tennis Center.
USA TODAY Images
September 07, 2018 - 10:16 pm
Rafael Nadal felt the pain sear into his right knee early in his U.S. Open semifinal, on what he called "a bad movement." It was a familiar pain, one that he's dealt with off-and-on for years.
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