A lot at stake for the four golfers on top of the U.S. Open leaderboard - ESPN
OAKMONT, Pa. — Whenever the U.S. Open makes its way back to Oakmont Country Club, there are two numbers that are discussed at length. It's here, where the club's culture is centered around a course that likes to reach beyond the difficult and graze the impossible, that the winning score and the number of players under par is touted like a badge of honor.