Kevin Na and caddie Kenneth Harms line up a putt on No. 2 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 10, 2013, in Augusta, Ga. (SARA CALDWELL/STAFF)
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Kevin Na lines up a putt on No. 1 in the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Kevin Streelman and his caddie A.J. Montecinos lines up a putt on No. 1 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Kevin Na lines up a putt on No. 1 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Larry Mize lines up a putt on No. 1 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Brian Gay lines up a putt on No. 1 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Larry Mize lines up a putt on No. 8 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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Kevin Streelman lines up a putt on No. 2 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 10, 2013, in Augusta, Ga. (SARA CALDWELL/STAFF)
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Tom Watson lines up a putt on No. 2 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 10, 2013, in Augusta, Ga. (SARA CALDWELL/STAFF)
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Ryo Ishikawa lines up a putt on No. 8 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (EMILY ROSE BENNETT/STAFF)
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Luke Donald lines up a putt on No. 2 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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Steven Fox lines up a putt on No. 2 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Nicolas Colsaerts lines up a putt on No. 4 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Tiger Woods lines up a putt on No. 4 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Scott Piercy and caddie Darren Wollard line up a putt the 4 green during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Tiger Woods lines up a putt on No. 4 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Tiger Woods lines up a putt during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Tiger Woods lines up a putt on No. 4 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)
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Ryo Ishikawa, of Japan, lines up a putt on the 16th green during the first round of the Masters Tournament at Augusta National on Thursday, April 11, 2013, in Augusta, Ga. (AP Photo/Charlie Riedel)
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Tianlang Guan, left, and Matteo Manassero prepare to putt on the No. 8 green during the first round of the 2013 Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (EMILY ROSE BENNETT/STAFF)
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Tiger Woods gets ready to putt on No. 18 during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKER/STAFF)
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KJ Choi's caddie Allistair Matheson helps Choi line up a putt on No. 18 during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKER/STAFF)
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Tiger Woods gets ready to putt on No. 18 during the first round of the Masters Tournament, Thursday, April 11, 2013, in Augusta, Ga. (ANDREW DAVIS TUCKER/STAFF)
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Bo Van Pelt lines up a putt on No. 10 during the first round of the Masters Tournament at Augusta National Golf Club on Thursday, April 11, 2013, in Augusta, Ga. (JON-MICHAEL SULLIVAN/STAFF)
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Tianlang Guan lines up a putt on No. 4 during the first round of the 2013 Masters Tournament at Augusta National Golf Club on April 11, 2013, in Augusta, Ga. (JEFF JANOWSKI/STAFF)