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 was forced to hit out of a soggy lie on the fairway of the 15th hole of Sunday’s final round at Oakmont after asking two rules officials to take a drop.

Sam Burns took a one-shot lead into the final round of the U.S. Open at Oakmont. From there, things did not go well.