Currently ranked world No. 2, McIlroy is tipped as a joint favourite with Scottie Scheffler for the upcoming PGA Championship at Quail Hollow. With four previous wins at the North Carolina venue, McIlroy's morale is sky-high, especially after shaking off the immense burden of chasing the career grand slam.

Now that Rory McIlroy has completed his career Grand Slam, what is left for him to conquer in professional golf? Jim Natz has a bold answer.

Rory McIlroy's major drought is over and he is hunting more of golf's richest prizes after his Masters victory, and Jim Nantz is not putting it past the Northern Irishman to scoop all four big ones th