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Nike's US Open 2017 line, as worn by (L-R) Nick Kyrgios, Grigor Dimitrov, Victoria Azarenka, Roger Federer, Rafael Nadal, Maria Sharapova, Madison Keys and Jack Sock. | Tennismash
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Grand Slam champion Rafael Nadal of Spain wears custom Nike tennis shoes during US Open 2017 final match Stock Photo - Alamy
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