After his disappointing finish at Augusta National, Rory McIlroy couldn't help reliving the disappointment.

Four years. It’s the term of the American presidency, the typical length of time to earn a college undergraduate degree and the timespan since Rory McIlroy last won a major.

As Rory McIlroy tries to put all pieces of the puzzle together and claim a fifth major title at this week’s US Open, he has received a vote of confidence from his putting mentor.