J.J. Spaun's U.S. Open-winning putt yielded an incredible reaction in the NBC broadcast booth. / Bill Streicher-Imagn Images Kevin Kisner knew it was in five seconds before the putt dropped.

Robert MacIntyre showed great sportsmanship as he watched and reacted to J.J. Spaun's clutch putt to win the 2025 U.S. Open.

J.J. Spaun celebrates after sinking a birdie putt on the 18th hole to win the U.S. Open golf tournament at Oakmont Country Club Sunday, June 15, 2025, in Oakmont, Pa. (AP Photo/Carolyn Kaster) ...

J.J. Spaun is the U.S. Open champion with a strong connection to the Travelers Championship. It was five years ago when he won a closet-to-the-pin challenge and chose a diabetes foundation for his ...