Golf: Spieth, McIlroy chase history at Augusta

US golfer Jordan Spieth putts during Round 2 of the 80th Masters Golf Tournament at the Augusta National Golf Club on April 8, 2016, in Augusta, Georgia.

Jordan Spieth has a narrow lead going into the third round of the US Masters. The defending champion is four under par, one shot ahead of Rory McIlroy at Augusta. Spieth is trying to become only the fourth back-to-back Masters winner, while McIlroy is aiming to complete a clean sweep of four majors. Their nearest challengers are New Zealand's Danny Lee and American Scott Piercy on two under.

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