And now, here Rory McIlroy is this week, about to play the PGA Championship, which begins Thursday at Quail Hollow, without stress or questions that need to be answered about his career or his game.

Spieth has not been at the height of his powers for years, but an improved all-around game and welcoming Quail Hollow Club set up nicely for history to be made

Jordan Spieth has never stopped dreaming of a career Grand Slam, and Rory McIlroy's triumph at Augusta National has only inspired him to make it happen.