Burns shot 69 to finish at 4-under-par 206, one shot clear of J.J. Spaun (69) and Adam Scott (67, matching the day's low round with Carlos Ortiz). Viktor Hovland (70) is 1-under and Ortiz is even par.

(KGTV) — Oakmont Country Club outside of Pittsburgh is widely considered the most difficult golf course in the entire United States, and it returns to host its 10th US Open this week.