Sam Burns fell apart during the final round of the U.S. Open at Oakmont on Sunday, and a controversial ruling on No. 15 may have contributed to his collapse.

Sam Burns avoided the late meltdown that cost him in the first round of the U.S. Open. He had a 65 and has a one-shot lead at Oakmont.

Oakmont Country Club has delivered as advertised across the first two rounds of the 2025 U.S. Open leaving most of the 156-man field battered and beaten by the toughest golf course in the United States.