JJ Spaun entered extremely rare territory with his epic finish to win the U.S. Open at Oakmont Country Club on Sunday evening.

Robert MacIntyre shot a 2-under 68 in the final round to finish the U.S. Open at 1 over — two strokes behind winner J.J. Spaun.

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.

As Spaun closed in on a career-defining win, a piece of advice from the 15-time major winner, via Max Homa, crept into his head.

Attending the U.S. Open can be a ton of fun, but simply being able to watch golf on the game's grandest stage is an incredible treat each year. We here at CBS Sports are thrilled to bring you wall-to-wall coverage of the U.S. Open all weekend long.

JJ Spaun is having the greatest Father's Day anyone can imagine, as the images of him with his daughters after his U.S. Open win went viral online.