Sam Burns will try to secure the biggest win of his career when he sets off in the final round of the U.S. Open clinging to a one-shot lead over Australian Adam Scott and J.J. Spaun at Oakmont Country Club on Sunday.

Sam Burns only wobbled twice on a soggy Oakmont course and finished with a one-under 69 to leave him one round away from a U.S. Open title.

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.