Paul Lawrie's caddie, Dave Kenny, checks his book after finishing the first hole during the second practice round for the 2013 Masters Tournament at Augusta National Golf Club on Tuesday, April 9, 2013, in Augusta, Ga. (Emily Rose Bennett/Staff)
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Paul Lawrie putts as his caddie, Dave Kenny, holds the flag on the first hole during the second practice round for the 2013 Masters Tournament at Augusta National Golf Club on Tuesday, April 9, 2013, in Augusta, Ga. (Emily Rose Bennett/Staff)
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Paul Lawrie, of Scotland, tees off at the fourth hole during a practice round for the Masters Tournament Tuesday, April 9, 2013, at Augusta National Golf Club in Augusta, Ga. (AP Photo/Charlie Riedel)
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Paul Lawrie hits out of the sand on No. 2 during the second practice round for the 2013 Masters Tournament at Augusta National Golf Club on Tuesday, April 9, 2013, in Augusta, Ga. (Jon-Michael Sullivan/Staff)
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Paul Lawrie hits out of the sand on No. 2 during the second practice round for the 2013 Masters Tournament at Augusta National Golf Club on Tuesday, April 9, 2013, in Augusta, Ga. (Jon-Michael Sullivan/Staff)
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Paul Lawrie walks to the No. 2 green during the second practice round for the 2013 Masters Tournament at Augusta National Golf Club on Tuesday, April 9, 2013, in Augusta, Ga. (Jon-Michael Sullivan/Staff)
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Paul Lawrie hits out of the sand on No. 2 during the second practice round for the 2013 Masters Tournament at Augusta National Golf Club on Tuesday, April 9, 2013, in Augusta, Ga. (Jon-Michael Sullivan/Staff)
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Paul Lawrie hits out of the sand on No. 2 during the second practice round for the 2013 Masters Tournament at Augusta National Golf Club on Tuesday, April 9, 2013, in Augusta, Ga. (Jon-Michael Sullivan/Staff)
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Phil Mickelson, left, and Paul Lawrie walk to the 12th green during the second practice round for the 2013 Masters Tournament at Augusta National Golf Club on Tuesday, April 9, 2013, in Augusta, Ga. (Andrew Davis Tucker/Staff)
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Paul Lawrie walks across the Nelson Bridge on No. 13 during the second practice round for the 2013 Masters Tournament at Augusta National Golf Club on Tuesday, April 9, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKER/STAFF)