Phil Mickelson

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Phil Mickelson reacts after making a birdie putt on the 10th hole during the second round of the Masters golf tournament Friday, April 7, 2017, in Augusta, Ga. (AP Photo/Chris Carlson)

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Phil Mickelson reacts after his putt on the 15th hole during the first round for the Masters golf tournament Thursday, April 6, 2017, in Augusta, Ga. (AP Photo/Charlie Riedel)

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Phil Mickelson hits a shot on the sixth hole during the first round for the Masters golf tournament Thursday, April 6, 2017, in Augusta, Ga. (AP Photo/Charlie Riedel)

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Phil Mickelson reacts after making an eagle on the second hole during the first round for the Masters golf tournament Thursday, April 6, 2017, in Augusta, Ga. (AP Photo/Chris Carlson)

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Phil Mickelson picks up his ball on the seventh green during a practice round for the Masters golf tournament Tuesday, April 4, 2017, in Augusta, Ga. (AP Photo/Charlie Riedel)

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Phil Mickelson waits to hit from the fairway on the 10th hole during a practice round for the Masters golf tournament Tuesday, April 4, 2017, in Augusta, Ga. (AP Photo/Charlie Riedel)

Phil Mickelson smiles after chipping it in for an eagle on the third hole during a practice round at the Masters golf tournament, Tuesday, April 4, 2017, in Augusta, Ga. (Curtis Compton/Atlanta Journal-Constitution via AP)

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Phil Mickelson marks his golf ball before a birdie putt on the second green during a practice round at the Masters golf tournament, Tuesday, April 4, 2017, in Augusta, Ga. (Curtis Compton/Atlanta Journal-Constitution via AP)

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Phil Mickelson follows his shot from the 10th fairway of the Spyglass Hill Golf Course during the second round of the AT&T Pebble Beach National Pro-Am golf tournament Friday, Feb. 10, 2017, in Pebble Beach, Calif. (AP Photo/Eric Risberg)

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Phil Mickelson listens to his caddie Jim "Bones" Mackay before hitting from the fifth tee of the Monterey Peninsula Country Club Shore Course during the first round of the AT&T Pebble Beach National Pro-Am golf tournament Thursday, Feb. 9, 2017, in Pebble Beach, Calif. (AP Photo/Eric Risberg)

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Phil Mickelson watches his tee shot at the second hole during the final round of the Waste Management Phoenix Open golf tournament Sunday, Feb. 5, 2017, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

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Phil Mickelson reacts after missing his birdie putt on the second green during the final round of the Waste Management Phoenix Open golf tournament, Sunday, Feb. 5, 2017, in Scottsdale, Ariz. (AP Photo/Matt York)

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Phil Mickelson tips his cap after making birdie on the third green during the final round of the Waste Management Phoenix Open golf tournament, Sunday, Feb. 5, 2017, in Scottsdale, Ariz. (AP Photo/Matt York)

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Phil Mickelson gives out a fist bump as he walks past the gallery on his way to the third hole during the third round of the Waste Management Phoenix Open golf tournament Saturday, Feb. 4, 2017, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

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Phil Mickelson hits out of the rough on the third hole during the third round of the Waste Management Phoenix Open golf tournament Saturday, Feb. 4, 2017, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

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Phil Mickelson slumps after making bogey on the 13th green during the second round of the Phoenix Open golf tournament, Friday, Feb. 3, 2017, in Scottsdale, Ariz. (AP Photo/Matt York)

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Phil Mickelson hits out of a bunker on the second hole during the first round of the Waste Management Phoenix Open golf tournament Thursday, Feb. 2, 2017, in Scottsdale, Ariz. (AP Photo/Ross D. Franklin)

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Phil Mickelson watches his tee shot on the first hole during the second round of the CareerBuilder Challenge golf tournament on the Jack Nicklaus Tournament Course at PGA West Friday, Jan. 20, 2017, in La Quinta, Calif. (AP Photo/Chris Carlson)

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Phil Mickelson smiles after making a birdie from the bunker on the first hole during the second round of the CareerBuilder Challenge golf tournament on the Jack Nicklaus Tournament Course at PGA West Friday, Jan. 20, 2017, in La Quinta, Calif. (AP Photo/Chris Carlson)

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Phil Mickelson holes out from the bunker on the first hole during the second round of the CareerBuilder Challenge golf tournament on the Jack Nicklaus Tournament Course at PGA West Friday, Jan. 20, 2017, in La Quinta, Calif. (AP Photo/Chris Carlson)