Jordan Spieth

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Jordan Spieth watches his tee shot on the 16th hole during a practice round at the PGA Championship golf tournament at the Quail Hollow Club Tuesday, Aug. 8, 2017, in Charlotte, N.C. (AP Photo/Chris Carlson)

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Jordan Spieth talks during a news conference at the PGA Championship golf tournament at the Quail Hollow Club on Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Chris Carlson)

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Jordan Spieth hits to the 17th green during a practice round at the PGA Championship golf tournament at the Quail Hollow Club Tuesday, Aug. 8, 2017, in Charlotte, N.C. (AP Photo/Chris Carlson)

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Jordan Spieth talks during a news conference at the PGA Championship golf tournament at the Quail Hollow Club on Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Chris Carlson)

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Jordan Spieth watches as Dustin Johnson lines up a putt on the 15th hole during a practice round at the PGA Championship golf tournament at the Quail Hollow Club Tuesday, Aug. 8, 2017, in Charlotte, N.C. (AP Photo/Chris Carlson)

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Jordan Spieth walks onto the 15th green during a practice round at the PGA Championship golf tournament at the Quail Hollow Club Tuesday, Aug. 8, 2017, in Charlotte, N.C. (AP Photo/Chris Carlson)

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Jordan Spieth hits from a bunker to the 15th green during a practice round at the PGA Championship golf tournament at the Quail Hollow Club Tuesday, Aug. 8, 2017, in Charlotte, N.C. (AP Photo/Chris Carlson)

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FILE - In this Sunday, June 25, 2017, file photo, Jordan Spieth celebrates with caddy Michael Greller after sinking a shot from a bunker on the first playoff hole for the win during the final round of the Travelers Championship golf tournament, in Cromwell, Conn. In his first year as PGA Tour commissioner, Jay Monahan said his top priority was to make Arnold Palmer proud. Monahan says moments like Spieth’s victory are things that remind him of Arnold Palmer’s appeal. (AP Photo/Jessica Hill, File)

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FILE - In a Sunday, June 25, 2017 file photo, Jordan Spieth hits off the 18th tee during a playoff in the final round of the Travelers Championship golf tournament, in Cromwell, Conn. Spieth says he wants to build a reputation for being a good closer in golf. (AP Photo/Jessica Hill, File)

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FILE - In a Sunday, Feb. 12, 2017 file photo, Jordan Spieth reacts on the 18th green of the Pebble Beach Golf Links after winning the AT&T Pebble Beach National Pro-Am golf tournament, in Pebble Beach, Calif. Spieth says he wants to build a reputation for being a good closer in golf. (AP Photo/Eric Risberg, File)

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Jordan Spieth celebrates with caddy Michael Greller after sinking a shot from a bunker on the first playoff hole during the final round of the Travelers Championship golf tournament, Sunday, June 25, 2017, in Cromwell, Conn. (AP Photo/Jessica Hill)

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Jordan Spieth hits off the 18th tee during a playoff in the final round of the Travelers Championship golf tournament, Sunday, June 25, 2017, in Cromwell, Conn. (AP Photo/Jessica Hill)

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Jordan Spieth holds up the Travelers Championship golf tournament Sunday, June 25, 2017, in Cromwell, Conn. (Brad Horrigan/Hartford Courant via AP)

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Jordan Spieth birdies from a bunker on the 18th during a playoff in the final round of the Travelers Championship golf tournament against Daniel Berger, Sunday, June 25, 2017, in Cromwell, Conn. (AP Photo/Jessica Hill)

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Jordan Spieth holed his bunker shot on the 18th green for a birdie and win over Daniel Berger during the final round of the 2017 Travelers Championship golf tournament Sunday, June 25, 2017, in Cromwell, Conn. (John Woike/Hartford Courant via AP)

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Jordan Spieth, right, celebrates with caddie Michael Greller after Spieth holed a bunker shot on a playoff hole on the 18th hole to win the Travelers Championship golf tournament Sunday, June 25, 2017, in Cromwell, Conn. (Brad Horrigan/Hartford Courant via AP)