The Clara golfer had been just two shots off the lead starting the day.
Shane Lowry could only manage a sixth place finish after falling out of contention for the PGA Championship last night.
The Clara golfer started the day just two shots off the tied lead of Xander Schaufelle and Collin Morikawa.
However, Lowry could only muster three birdies and a score of 70 on an inconsistent day, while Schaufelle shot a 65 to secure the first major success of his career.
I tried… I failed… and I’ll try again.
— Shane Lowry (@ShaneLowryGolf) May 20, 2024
Thanks for all the support ☘️ pic.twitter.com/1Zjfq6tcAG
The American needed a birdie on the 18th hole to stay in front of the chasing pack at Valhalla.
Bryson DeChambeau was second with Viktor Hovland third.
Schauffele revealed his emotions as the putt he required dropped in:
Lowry meanwhile is up to a season’s high of 33 in the latest Official World Golf Rankings.
Xander Schauffele’s win at Valhalla sees him move above Rory McIlroy to second in the world.
Scottie Scheffler remains top of the pile.
Coverage with thanks to Keenan Bauer Motors Mulllingar, Your home for Citroen and Honda in the Midlands - Keenanbauer.com
And The Heritage Golf Resort, Killenard, Co. Laois.
Home of Ireland's only Seve Ballesteros & Jeff Howes designed Championship golf course - visit heritageresort.ie