Spieth enters Quail Hollow in a different mindset as he tries to match Rory McIlroy’s historic feat at the Masters.

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.

Jordan Spieth out to emulate Rory McIlroy’s grand slam glory at Quail Hollow - A US PGA Championship title would see the American become the second man this year to complete the set of golf’s major titles.