The USGA has announced a new local rule that addresses when players "accidentally" move their ball on the green, essentially reversing course on a rule that nearly cost Dustin Johnson the U.S. Open title.
Johnson was deemed to have caused his ball to move by grounding his club during a practice stroke in the final round at Oakmont. While he played the final nine holes unsure of his actual score or if he would receive a penalty, Johnson was ultimately docked a stroke to cut his winning margin from four shots to three.
"There was simply too many times on the putting green where we were seeing players penalized, balls moving.