2021 PGA Championship: Phil Mickelson
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2021 PGA Championship photos: Inside Phil Mickelson's historic win at Kiawah

2021 PGA Championship: Phil Mickelson
Phil Mickelson began the final round with a one-shot lead and a chance to make history as the oldest major-winner in golf history. All eyes were on him.  (Scott Halleran/Scott Halleran)
2021 PGA Championship: Phil Mickelson
Mickelson got off to a rocky start in his final round. He made three bogeys, three birdies and three pars on his opening nine holes. The thrill ride was underway.  (Eoin Clarke/Eoin Clarke)
2021 PGA Championship: Phil Mickelson
Mickelson briefly lost the lead to playing partner Brooks Koepka during the opening nine. But at the turn he was back in front. Mickelson birdied 10 as Koepka made bogey, and Mickelson took a lead he would never relinquish.  (Eoin Clarke/Eoin Clarke)
2021 PGA Championship: Phil Mickelson
On the par-5 16th, Mickelson unleashed a 366-yard drive, which was the longest tee shot from anyone in the field on that hole all week. Mickelson made birdie to take a three-shot lead into the final two holes.  (Scott Halleran/Scott Halleran)
2021 PGA Championship: Phil Mickelson
Mickelson was able to finish bogey-par on the final two holes to close out the win, and his 6th career major title. (Scott Halleran/Scott Halleran)
2021 PGA Championship: Phil Mickelson
The winning moment. Mickelson captures sixth career major and second career PGA Championship title. (Scott Halleran/Scott Halleran)
2021 PGA Championship: Phil Mickelson
Fans were allowed to pass under the ropes on the 18th fairway, creating quite a scene around the final green as Mickelson closed out the win.  (Scott Halleran/Scott Halleran)
2021 PGA Championship: Phil Mickelson
At age 50, Mickelson became the oldest major champion in men's golf history. Julius Boros' previous record stood since 1968, when he won the PGA Championship at age 48 years, 4 months and 18 days.
 (Scott Halleran/Scott Halleran)
2021 PGA Championship: Brooks Koepka
Brooks Koepka played alongside Mickelson in the final group on Sunday. He began the day one shot back.  (Scott Halleran/Scott Halleran)
2021 PGA Championship: Brooks Koepka
Koepka was seeking a little history of his own: he was attempting to win his fifth career major and third PGA Championship. But he played the two front-nine par 5s in 3 over, leaving an uphill climb on the back nine.  (Eoin Clarke/Eoin Clarke)
2021 PGA Championship: Brooks Koepka
Koepka struggled to hit fairways and missed a few uncharacteristic short putts. He birdied 15 and 16 to climb to within two shots of Mickelson and keep the pressure on, but he finished two back, tied for second place.  (Eoin Clarke/Eoin Clarke)
2021 PGA Championship: Louis Oosthuizen
Louis Oosthuizen entered the final round two shots behind Mickelson, and played in the penultimate pairing.  (Scott Halleran/Scott Halleran)
2021 PGA Championship: Louis Oosthuizen
At times on Sunday it appeared Oosthuizen would be Mickelson's greatest challenger, but the South African was never able to pull into a tie for the lead. He shot a 73 to match Koepka at 4 under for the tournament, two shots behind Mickelson.  (Scott Halleran/Scott Halleran)
2021 PGA Championship: Shane Lowry and Padraig Harrington
Fellow Irishmen Shane Lowry and Padraig Harrington played together on Sunday and shot matching three-under 69s to tie for fourth place.  (Scott Halleran/Scott Halleran)
2021 PGA Championship: Rickie Fowler
Rickie Fowler shot a 71 on Sunday to finish tied for 8th, which qualifies him for a spot in the 2022 Masters.  (Scott Halleran/Scott Halleran)
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