Marc Leishman prepares to hit a shot from the No. 1 rough during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKER/STAFF)
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Marc Leishman tees off on No. 2 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 11, 2013, in Augusta, Ga. (JON-MICHAEL SULLIVAN/STAFF)
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Marc Leishman reacts to a putt on No. 7 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKER/STAFF)
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Marc Leishman, of Australia, takes his second shot on the first fairway during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/Darron Cummings)
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Marc Leishman, of Australia, discusses his shot with his caddie Matthew Kelly in the rough off the 17th fairway during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/David J. Phillip)
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Marc Leishman, of Australia, reacts after a birdie on the 16th green during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/Charlie Riedel)
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Marc Leishman, of Australia, reacts after a birdie on the 16th green during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/Charlie Riedel)
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Marc Leishman, of Australia, tees off on the 17th hole during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/Charlie Riedel)
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Marc Leishman, of Australia, reacts to his tee shot on the 18th hole during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/David J. Phillip)
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Marc Leishman, of Australia, holds up his ball after a par putt on the 17th green during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/David J. Phillip)
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Marc Leishman, of Australia, hits out of a bunker on the 17th fairway during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/David J. Phillip)
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Marc Leishman, of Australia, hits out of the rough on the 17th fairway during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/David J. Phillip)
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Marc Leishman, of Australia, raises his cap before putting on the 17th green during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/David J. Phillip)
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Marc Leishman walks off the 18th green after finishing his round during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKERSTAFF)
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Marc Leishman walks on the 18th green during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKERSTAFF)
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Marc Leishman walks on the 18th green during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKERSTAFF)
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Marc Leishman smiles after putting on the 18th green during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKER/STAFF)
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Marc Leishman smiles after putting on the 18th green during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKER/STAFF)
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Marc Leishman acknowledges the gallery after finishing on the No. 18 green during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKER/STAFF)
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Marc Leishman acknowledges the gallery after finishing on the No. 18 green during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKER/STAFF)
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Marc Leishman licks his finger to clean his golf ball as he walks off the 17th green during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (SARA CALDWELL/STAFF)
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Marc Leishman acknowledges the gallery after making par on the 17th green during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (SARA CALDWELL/STAFF)
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Marc Leishman tees off on No. 16 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)