Jordan Spieth headed to Quail Hollow for the PGA Championship with more expectations than pressure for being next in line to join the most elite fraternity in golf with the career Grand Slam. Only the Wanamaker Trophy was missing.

Jordan Spieth currently leads the contenders with three majors, but there are a handful of other players who could eventually win the career Grand Slam.

As we saw by Rory McIlroy's emotional reaction to winning the Masters and completing the career Grand Slam, the guy was under an insane amount of pressure to finally get the job done. McIlroy admitted he felt "pure relief" after winning the playoff against Justin Rose to make (more) golf history.