The 26 year old finished one ahead of South Africa's Louis Oosthuizen.
Spain's Jon Rahm claimed his first major after finishing with back-to-back birdies on the final day of the US Open at Torrey Pines.
The 26-year-old ended up on 6 under par, one ahead of South Africa's Louis Oosthuizen.
Rory McIlroy - who had a share of the lead at one stage - finished in a share of 7th place on 1 under par.
While Shane Lowry finished back on 13 over.
Rahm says the quality of players at the top of the leaderboard brought the best out of him:
Elsewhere,
Leona Maguire narrowly missed out on her first win on the LPGA Tour last night.
The Cavan golfer finished second at the Meijer Classic in Michigan.
World number four Nelly Korda won on 25-under-par, with Maguire just two shots back.
Midlands Sports Set For €1.1m Funding Allocation In 2026
Fitzgibbon Cup Action Continues This Evening
CCFL: Clara Town Claim Big Away Win
Laois Footballer Ade Solanke Joins Bournemouth
Midlands Athletes Impress At Leinster Masters And Intermediate Cross Country Championships
Shane Lowry Back In Action At Dubai Desert Classic
Stephen Rochford To Remain As Tullamore Coach
Sligo Are Going To Bring The Fight To Westmeath - Mark McHugh
Westmeath Schools To Clash In Bro Bosco Cup Final
Offaly Start Strong In Division Four Of National League
Athlone Town Complete Signing Of Courtney Maguire
Early Kick Offs Could See Irish Pubs Open For World Cup Games - John Clendennen
Westmeath Rally Late To Seal O'Byrne Cup
Midlands Boxers Secure National Titles
Shane Lowry Misses Out On First Win Of The Season
Leinster Pushed All The Way By Gallant Bayonne
Dingle Break St Brigid's Hearts In All Ireland Epic
Robbie Henshaw Starts For Leinster's European Clash This Weekend
Shane Lowry Leading The Way In Dubai
Offaly GAA Club Submit New Pitch Plans