TRACK AND FIELD PHOTOS

  • AUCKLAND, NEW ZEALAND - JANUARY 14: Jack Sock of the USA celebrates winning the mens singles final between Jack Sock of the USA and Joao Sousa of Portugal on day 13 of the ASB Classic on January 14, 2017 in Auckland, New Zealand. (Photo by Phil Walter/Getty Images)

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  • AUCKLAND, NEW ZEALAND - JANUARY 14: Jack Sock of the USA poses with the trophy following the mens singles final between Jack Sock of the USA and Joao Sousa of Portugal on day 13 of the ASB Classic on January 14, 2017 in Auckland, New Zealand. (Photo by Phil Walter/Getty Images)

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  • AUCKLAND, NEW ZEALAND - JANUARY 14: Jack Sock of the USA poses with the trophy following the mens singles final between Jack Sock of the USA and Joao Sousa of Portugal on day 13 of the ASB Classic on January 14, 2017 in Auckland, New Zealand. (Photo by Phil Walter/Getty Images)

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  • AUCKLAND, NEW ZEALAND - JANUARY 14: Jack Sock of the USA poses with the trophy following the mens singles final between Jack Sock of the USA and Joao Sousa of Portugal on day 13 of the ASB Classic on January 14, 2017 in Auckland, New Zealand. (Photo by Phil Walter/Getty Images)

    View Photo »

  • AUCKLAND, NEW ZEALAND - JANUARY 14: Jack Sock of the USA poses with the trophy following the mens singles final between Jack Sock of the USA and Joao Sousa of Portugal on day 13 of the ASB Classic on January 14, 2017 in Auckland, New Zealand. (Photo by Phil Walter/Getty Images)

    View Photo »

  • AUCKLAND, NEW ZEALAND - JANUARY 14: Jack Sock of the USA celebrates winning the mens singles final between Jack Sock of the USA and Joao Sousa of Portugal on day 13 of the ASB Classic on January 14, 2017 in Auckland, New Zealand. (Photo by Phil Walter/Getty Images)

    View Photo »

  • AUCKLAND, NEW ZEALAND - JANUARY 14: Jack Sock of the USA poses with the trophy following the mens singles final between Jack Sock of the USA and Joao Sousa of Portugal on day 13 of the ASB Classic on January 14, 2017 in Auckland, New Zealand. (Photo by Phil Walter/Getty Images)

    View Photo »

  • AUCKLAND, NEW ZEALAND - JANUARY 14: Jack Sock of the USA poses with the trophy following the mens singles final between Jack Sock of the USA and Joao Sousa of Portugal on day 13 of the ASB Classic on January 14, 2017 in Auckland, New Zealand. (Photo by Phil Walter/Getty Images)

    View Photo »

  • AUCKLAND, NEW ZEALAND - JANUARY 14: Jack Sock of the USA poses with the trophy following the mens singles final between Jack Sock of the USA and Joao Sousa of Portugal on day 13 of the ASB Classic on January 14, 2017 in Auckland, New Zealand. (Photo by Phil Walter/Getty Images)

    View Photo »

  • AUCKLAND, NEW ZEALAND - JANUARY 14: Jack Sock of the USA poses with the trophy following the mens singles final between Jack Sock of the USA and Joao Sousa of Portugal on day 13 of the ASB Classic on January 14, 2017 in Auckland, New Zealand. (Photo by Phil Walter/Getty Images)

    View Photo »

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