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,

Rory McIlroy's parents, Gerry and Rosie, were not at the Masters but celebrated his win from their new home in Ireland. They were moving during the tournament, which provided a welcome distraction from the pressure of watching their son compete. Rory McIlroy flew to Belfast last Friday to celebrate his Masters victory with his parents.