This year at Quail Hollow, the questions were inevitable. Jordan Spieth has won the Masters, the U.S. Open and the Open Championship, thus needing a PGA Championship victory to complete the career Grand Slam.

Rory McIlroy and Bryson DeChambeau have battled at the end in two recent major championships, with one winning each of them.

Who will win the 107th PGA Championship? Our experts dive into all the twists and turns of the year's second major

Xander Schauffele will launch his PGA Championship title defence on Thursday at Quail Hollow Club alongside Masters champion Rory McIlroy and Scottie Scheffler, a high-profile group featuring the world's top three players.

Spieth, a three-time major champion, already has wins at the Masters (2015), U.S. Open (2015) and The Open Championship (2017). Now nearly a decade later, the PGA Tour star is still on the hunt for his career grand slam.

Xander Schauffele might be the most under-the-radar player in golf history who won two major championships the previous year.