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 saw his hopes of winning the U.S. Open at Oakmont dashed last Sunday, after the PGA Tour star found himself in a soaked lie on the fairway on the par-four 15th

A controversial ruling at Oakmont may have cost Sam Burns his first major title. Sam Burns was tied for the lead at the U.S. Open when he stepped onto the 15th tee at Oakmont on Sunday. Minutes later, his tournament hopes were over.