Juan Martin del Potro of Argentina raises the winner's trophy after he defeated Bernard Tomic of Australia in the final match at the Sydney International Tennis Tournament in Sydney, Australia, Saturday, Jan. 11, 2014. (AP Photo/Rob Griffith)

Australia Tennis Sydney International

Juan Martin del Potro of Argentina raises the winner's trophy after he defeated Bernard Tomic of Australia in the final match at the Sydney International Tennis Tournament in Sydney, Australia, Saturday, Jan. 11, 2014. (AP Photo/Rob Griffith)

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