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 realized his long-time dream. Although some believed that the famous golfer would end his career without completing a career Grand Slam, something quite the opposite happened. The 35-year-old golfer joined the company of great golfers and golf icons who left a lasting mark.

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,