A fighter.” The story of Oakmont’s vast tree removal has been told, retold and retold again over the last 20 years or so.

If this 10th U.S. Open at Oakmont has proved anything, it is this: The pros need their own golf ball, a few times a year.

Follow live from Oakmont, where Spaun and Burns are leading with Rory McIlroy and Bryson DeChambeau on the course ...