He then rolled in a 64-foot birdie putt at the 18th — the longest putt made by anyone all week at Oakmont — to secure his second PGA Tour win and first major title. Spaun overcame five bogeys in his first six holes Sunday to shoot 72 and finish at 1 under par, two shots clear of runner-up Robert MacIntyre (68).

It was a true Father’s Day triumph for J.J. Spaun, who revealed he was making a 3 a.m. CVS run on Sunday morning tending to his daughter’s stomach bug — just hours before winning the US Open.

Spaun surged back after heavy rain delayed play in the final round at Oakmont Country Club, with four birdies on the back nine to win his first major.

Don’t need to make it, just cozy it up, two putts…how about one! In one of the most unlikely final round Sundays in U.S. Open history, J.J. Spaun closes the deal with a birdie at the last!” – Dan Hicks on Spaun’s 64-foot putt to win the U.

The newly minted U.S. Open champion was essentially running on fumes before capturing the first major victory of his career Sunday.

J.J. Spaun entered the final round of the U.S. Open on Sunday within striking distance of the lead, just a single stroke back of Sam Burns at 3-under. After the second hole, however, it became clear luck wouldn't be on Spaun's side as he attempted to track down the leader.