2007 Masters champion Zach Johnson stretches on the driving range during a practice round for the Masters Tournament at Augusta National Golf Club Wednesday, April 9, 2014, in Augusta, Ga. (AP Photo/Matt Slocum)
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Jonas Blixt, of Sweden, stretches on the driving range during a practice round for the Masters Tournament at Augusta National Golf Club Wednesday, April 9, 2014, in Augusta, Ga. (AP Photo/Matt Slocum)
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Scott Stallings stretches before hitting on the driving range during a practice round for the Masters Tournament at Augusta National Golf Club Wednesday, April 9, 2014, in Augusta, Ga. (AP Photo/Matt Slocum)
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Harris English stretches before hitting on the driving range during a practice round for the Masters Tournament at Augusta National Golf Club Wednesday, April 9, 2014, in Augusta, Ga. (AP Photo/Matt Slocum)
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Miguel Angel Jimenez, of Spain, stretches before hitting on the driving range during a practice round for the Masters Tournament at Augusta National Golf Club Wednesday, April 9, 2014, in Augusta, Ga. (AP Photo/Matt Slocum)
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Jose Maria Olazabal, of Spain, stretches on the driving range during a practice round for the Masters Tournament at Augusta National Golf Club Wednesday, April 9, 2014, in Augusta, Ga. (AP Photo/Matt Slocum)
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Adam Scott, of Australia, stretches on the driving range during a practice round for the Masters Tournament at Augusta National Golf Club Wednesday, April 9, 2014, in Augusta, Ga. (AP Photo/Matt Slocum)
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Miguel Angel Jimenez, of Spain, stretches before hitting on the driving range during a practice round for the Masters Tournament at Augusta National Golf Club Wednesday, April 9, 2014, in Augusta, Ga. (AP Photo/Matt Slocum)