Tom Watson plays his shot from the first tee during the first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (JON-MICHAEL SULLIVAN/STAFF)
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Tom Watson on the second hole during first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (MICHAEL HOLAHAN/STAFF)
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Tom Watson on the second hole during first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (MICHAEL HOLAHAN/STAFF)
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Tom Watson tees off on No.2 during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (TODD BENNETT/STAFF)
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Tom Watson stands on No. 4 green during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (SARA CORCE/STAFF)
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Tom Watson, center, walks with Charley Hoffman, left and Lee Westwood, of England, on the first fairway during the first round of the Masters golf tournament Thursday, April 7, 2016, in Augusta, Ga. (AP PhotoMatt Slocum)
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Tom Watson hits on the seventh fairway during the first round of the Masters golf tournament Thursday, April 7, 2016, in Augusta, Ga. (AP PhotoDavid J. Phillip)
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Tom Watson examines his ball after it possibly moved on the seventh green during the first round of the Masters golf tournament Thursday, April 7, 2016, in Augusta, Ga. (AP PhotoDavid J. Phillip)
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Tom Watson acknowledges the gallery after a birdie on the third hole during the first round of the Masters golf tournament Thursday, April 7, 2016, in Augusta, Ga. (AP PhotoJae C. Hong)
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Tom Watson walks up the first fairway with his caddie Neil Oxman during the first round of the Masters golf tournament Thursday, April 7, 2016, in Augusta, Ga. (AP PhotoCharlie Riedel)
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Tom Watson hits on the second fairway during the first round of the Masters golf tournament Thursday, April 7, 2016, in Augusta, Ga. (AP PhotoDavid J. Phillip)
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Tom Watsonon the seventh hole during first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (JON-MICHAEL SULLIVAN/STAFF)
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Tom Watson walks over the Hogan Bridge during the first round of the Masters golf tournament Thursday, April 7, 2016, in Augusta, Ga. (AP Photo/Charlie Riedel)
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Tom Watson, right, and Lee Westwood walks across the Nelson Bridge during the first round of the Masters golf tournament Thursday, April 7, 2016, in Augusta, Ga. (AP Photo/Charlie Riedel)
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Neil Oxman, Tom Watson's caddie, during first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (ANDREW DAVIS TUCKER/STAFF)
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Neil Oxman hands Tom Watson an egg salad sandwich on the 12th green during first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. Watson placed the sandwich on the 13th tee bench in memory of his former caddie, Bruce Edwards who passed away on 2004. (ANDREW DAVIS TUCKER/STAFF)
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Tom Watson on the tenth hole during first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (ANDREW DAVIS TUCKER/STAFF)
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Tom Watson on the tenth hole during first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (ANDREW DAVIS TUCKER/STAFF)
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Tom Watson on the tenth hole during first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (ANDREW DAVIS TUCKER/STAFF)
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Tom Watson and Lee Westwood during first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (ANDREW DAVIS TUCKER/STAFF)
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Tom Watson on the 13th hole during first round of the Masters golf tournament at Augusta National Golf Club, Thursday, April 7, 2016, in Augusta, Georgia. (ANDREW DAVIS TUCKER/STAFF)