American Jason Dufner, currently third in the standings and a two-time winner this year, could still overhaul Woods at the top with a tie for second or better this week's final regular-season tournament, the Wyndham Championship.

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U.S. Ryder Cup teammates Phil Mickelson, Bubba Watson, Brandt Snedeker and Jim Furyk shot 69, as did Sergio Garcia -- who secured his place on the European team for this month's match at Medinah by winning the Wyndham Championship in August.

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