Watch the 71st hole which flipped the U.S. Open on its head for eventual winner J.J. Spaun, starting with the drive of a lifetime that set up a two-putt birdie to take the outrigh

In one of the most improbable wins in U.S. Open history, J.J. Spaun started the final round with five bogeys in the first six holes, stood four shots back with nine holes to play then came home in 32 to win at rain-laden Oakmont C.