2018 PGA Championship

ST LOUIS, MO - AUGUST 12: Jordan Spieth of the United States takes a practice swing on the sixth tee during the final round of the 2018 PGA Championship at Bellerive Country Club on August 12, 2018 in St Louis, Missouri. (Photo by Stuart Franklin/Getty Images)

2018 PGA Championship: Round 3 - Acknowledging the Crowd on No. 5

ST LOUIS, MO - AUGUST 12: Jordan Spieth of the United States acknowledges the crowd on the fifth green during the final round of the 2018 PGA Championship at Bellerive Country Club on August 12, 2018 in St Louis, Missouri. (Photo by Stuart Franklin/Getty Images)

2018 PGA Championship: Round 3 - Tee Shot on No. 15

ST LOUIS, MO - AUGUST 11: Jordan Spieth of the United States plays his shot from the 15th tee during the third round of the 2018 PGA Championship at Bellerive Country Club on August 11, 2018 in St Louis, Missouri. (Photo by Jamie Squire/Getty Images)

2018 PGA Championship: Round 3 - Lining Up a Putt

ST LOUIS, MO - AUGUST 11: Jordan Spieth of the United States lines up a putt during the third round of the 2018 PGA Championship at Bellerive Country Club on August 11, 2018 in St Louis, Missouri. (Photo by Stuart Franklin/Getty Images)

2018 PGA Championship: Round 3 - Bunker Shot on No. 6

ST LOUIS, MO - AUGUST 11: Jordan Spieth of the United States plays a shot from a bunker on the sixth hole during the third round of the 2018 PGA Championship at Bellerive Country Club on August 11, 2018 in St Louis, Missouri. (Photo by Richard Heathcote/Getty Images)

2018 PGA Championship: Round 2 - Shot on No. 18

ST LOUIS, MO - AUGUST 10: Jordan Spieth of the United States plays a shot on the 18th hole during the second round of the 2018 PGA Championship at Bellerive Country Club on August 10, 2018 in St Louis, Missouri. (Photo by Richard Heathcote/Getty Images)

2018 PGA Championship: Round 2 - Focus on No. 16

ST LOUIS, MO - AUGUST 10: Jordan Spieth of the United States plays his shot from the 16th tee during the second round of the 2018 PGA Championship at Bellerive Country Club on August 10, 2018 in St Louis, Missouri. (Photo by Richard Heathcote/Getty Images)

2018 PGA Championship: Round 2 - From the Rough on No. 15

ST LOUIS, MO - AUGUST 10: Jordan Spieth of the United States plays a shot on the 15th hole during the second round of the 2018 PGA Championship at Bellerive Country Club on August 10, 2018 in St Louis, Missouri. (Photo by Richard Heathcote/Getty Images)

2018 PGA Championship: Round 2 - Shot on No. 12

ST LOUIS, MO - AUGUST 10: Jordan Spieth of the United States watches his shot from the 12th tee during the second round of the 2018 PGA Championship at Bellerive Country Club on August 10, 2018 in St Louis, Missouri. (Photo by Richard Heathcote/Getty Images)

2018 PGA Championship: Round 1 - Out of the Bunker on No. 9

ST LOUIS, MO - AUGUST 09: Jordan Spieth of the United States plays a shot from a bunker on the ninth hole during the first round of the 2018 PGA Championship at Bellerive Country Club on August 9, 2018 in St Louis, Missouri. (Photo by Richard Heathcote/Getty Images)

2018 PGA Championship: Round 1 - Tee Shot on No. 7

ST LOUIS, MO - AUGUST 09: Jordan Spieth of the United States plays his shot from the seventh tee during the first round of the 2018 PGA Championship at Bellerive Country Club on August 9, 2018 in St Louis, Missouri. (Photo by Richard Heathcote/Getty Images)

2018 PGA Championship: Round 1 - Putt on No. 4

ST LOUIS, MO - AUGUST 09: Jordan Spieth of the United States reacts to his putt on the fourth green during the first round of the 2018 PGA Championship at Bellerive Country Club on August 9, 2018 in St Louis, Missouri. (Photo by Richard Heathcote/Getty Images)

2018 PGA Championship: Round 1 - Tee Shot on Opening Hole

ST LOUIS, MO - AUGUST 09: Jordan Spieth of the United States plays his shot from the first tee during the first round of the 2018 PGA Championship at Bellerive Country Club on August 9, 2018 in St Louis, Missouri. (Photo by Richard Heathcote/Getty Images)

2018 PGA Championship: Preview Day 3 - Young Fan Holds Up Jordan's Wheaties Box

ST LOUIS, MO - AUGUST 08: A young fan holds a Wheaties box depicting Jordan Spieth of the United States during a practice round prior to the 2018 PGA Championship at Bellerive Country Club on August 8, 2018 in St Louis, Missouri. (Photo by Sam Greenwood/Getty Images)

2018 PGA Championship: Preview Day 3 - A Final Practice Round

ST LOUIS, MO - AUGUST 08: Jordan Spieth of the United States lines up a putt during a practice round prior to the 2018 PGA Championship at Bellerive Country Club on August 8, 2018 in St Louis, Missouri. (Photo by Sam Greenwood/Getty Images)

2018 PGA Championship: Preview Day 2 - Signing Autographs

ST. LOUIS, MO - AUGUST 07: Jordan Spieth of the United States signs his autograph for a fan during a practice round prior to the 2018 PGA Championship at Bellerive Country Club on August 7, 2018 in St. Louis, Missouri. (Photo by Jamie Squire/Getty Images)

2018 PGA Championship: Preview Day 2 - Press Conference

ST. LOUIS, MO - AUGUST 07: : : Jordan Spieth of the United States speaks to the media during press conference prior to the 2018 PGA Championship at Bellerive Country Club on August 7, 2018 in St. Louis, Missouri. (Photo by Stuart Franklin/Getty Images)

2018 PGA Championship: Preview Day 2 - Bunker Shot

ST. LOUIS, MO - AUGUST 07: Jordan Spieth of the United States plays a shot from a bunker on the second hole during a practice round prior to the 2018 PGA Championship at Bellerive Country Club on August 7, 2018 in St. Louis, Missouri. (Photo by Jamie Squire/Getty Images)

2018 PGA Championship: Preview Day 1 - On the Course

ST. LOUIS, MO - AUGUST 06: Jordan Spieth of the United States practices on the range prior to the 2018 PGA Championship at Bellerive Country Club on August 6, 2018 in St. Louis, Missouri. (Photo by Andy Lyons/Getty Images)

2018 PGA Championship: Preview Day 1 - On the Course - ST. LOUIS, MO - AUGUST 06: Jordan Spieth of the United States plays an approach shot during a practice round prior to the 2018 PGA Championship at Bellerive Country Club on August 6, 2018 in St. Louis, Missouri. (Photo by Stuart Franklin/Getty Images)