Phil Mickelson chips on 10 during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 11, 2019, in Augusta, Georgia. [ALLEN EYESTONE/FOR THE AUGUSTA CHRONICLE]
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Phil Mickelson on 13 during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 11, 2019, in Augusta, Georgia. [ANDY NELSON/FOR THE AUGUSTA CHRONICLE]
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Phil Mickelson chips onto the 13th green during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 11, 2019, in Augusta, Georgia. [ANDY NELSON/FOR THE AUGUSTA CHRONICLE]
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Phil Mickelson and his caddie Tim Mickelson walk past Raes Creek on 13 during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 11, 2019, in Augusta, Georgia. [ANDY NELSON/FOR THE AUGUSTA CHRONICLE]
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Phil Mickelson tees off on 5 during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 11, 2019, in Augusta, Georgia. [ANDREW DAVIS TUCKER/FOR THE AUGUSTA CHRONICLE]
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Phil Mickelson hits from a sand trap on 4 during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 11, 2019, in Augusta, Georgia. [ANDREW DAVIS TUCKER/FOR THE AUGUSTA CHRONICLE]
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Phil Mickelson and his caddie Tim Mickelson confer during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 11, 2019, in Augusta, Georgia. [ANDREW DAVIS TUCKER/FOR THE AUGUSTA CHRONICLE]
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Phil Mickelson and Justin Rose approach the fourth green during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 11, 2019, in Augusta, Georgia. [ANDREW DAVIS TUCKER/FOR THE AUGUSTA CHRONICLE]
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Phil Mickelson walks from the 4th tee during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 11, 2019, in Augusta, Georgia. [ANDREW DAVIS TUCKER/FOR THE AUGUSTA CHRONICLE]
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Phil Mickelson drives off the second tee during the first round of the Masters Tournament at Augusta National Golf Club, Thursday, April 11, 2019, in Augusta, Georgia. [NIGEL COOK/FOR THE AUGUSTA CHRONICLE]