Rory McIlroy's "mulligan" on Augusta National's 18th hole in the Masters playoff played out almost exactly how the data says it should. But that doesn't mean it was easy.

Rory McIlroy became the sixth golfer in history to complete the career grand slam, joining the likes of Gene Sarazen, Ben Hogan, Gary Player, Jack Nicklaus and Tiger Woods after winning the Masters. After winning the green jacket,

McIlroy’s ball tumbled into the creek. He bent his spine in half and threw his hands onto his knees. There had been plenty of triumphant patron responses at that point in the day. Here, in Amen Corner’s final chapter, the gasps returned. They did not stop.