Ryan Gerard stumbled late but still held a one-shot PGA Championship clubhouse lead on Thursday at Quail Hollow where Rory McIlroy, in his first major since completing the career Grand Slam, struggled on a course he is used to dominating.

Rory McIlroy entered the 107th PGA Championship looking for his second straight major win, but now even making the cut is going to be difficult.

Rory McIlroy, a four-time winner at Quail Hollow and a two-time PGA Champion, is one of the favorites to win the PGA Championship this year, despite the challenging course conditions and a shift in his motivations.