The Latest: Kaymer challenged for lead (The Associated Press)

View photosMoreBrandon Stone, of South Africa, hits from the rough on the 18th hole during a practice round for the PGA Championship golf tournament at Baltusrol Golf Club in Springfield, N.J., Wednesday, July 27, 2016. (AP Photo/Tony Gutierrez)SPRINGFIELD, N.J. (AP) -- The Latest on the PGA Championship (all times EDT):

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No one had ever finished a major championship at 20-under par until Jason Day last year in the PGA Championship at Whistling Straits. And then it happened three majors later when Henrik Stenson matched him at Royal Troon two weeks ago at the British Open.

What will Baltusrol serve up this week at the PGA Championship?

Kerry Haigh, the PGA's managing director of…