
Internal out of bounds is generally considered about as popular as slow play in the game. The consensus is that it’s unnecessary and occasionally a bit of a gimmick and only belongs on lesser courses where holes run up and down alongside each other.
Four years ago it was the story of day one as the prospect of a home-town winner in Rory McIlroy evaporated in just one shot, his opening tee shot finishing a couple of yards the wrong side of a single white line with McIlroy minutes away from an opening eight.