Sam Burns has the lead in the U.S. Open on a rain-soaked Oakmont course and faces his biggest test. The 28-year-old from Louisiana has never contended in 20 previous majors.

On a punishing Oakmont course famed for crowning first-time major winners, Sam Burns finds himself on the brink of joining a historic list.Seven first-time major winners at Oakmont include 18-time major winner Jack Nicklaus,