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Tiger Woods opened with 71 on Thursday.

AUGUSTA, Ga. -- The second round of the Masters is under way from Augusta National, where Alvaro Quiros and Rory McIlroy shared the overnight lead at 7 under. Will either one of them be atop the leaderboard going into the weekend? Phil Mickelson and Tiger Woods are five and six shots back, respectively, but both have a pretty good track record here. Your open thread starts now.

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