- Leaders: -3 Potgieter, Jaeger, Lee (67)
- -2 Brown, Theegala (68)
- Higgo given two-stroke penalty for turning up late, shoots one under
- McIlroy, DeChambeau, Koepka, Rahm and Hatton among early starters
- Selected tee times (BST): 18:43 MacIntyre, Fleetwood; 19:05 Scheffler, M Fitzpatrick, Rose
- 108th US PGA Championship, Aronimink, Pennsylvania
US PGA Championship round one – three-way tie for lead, Spieth slips back
