Dustin Johnson is all alone at the top of the leader board at 4 under, Johnson has a four stroke lead with no one other than Johnson shooting under par. Scott Piercy and Charlie Hoffman are tied for second at even par.
several big names did not make the cut at Shinnecock hills,
Jorden Spieth +9
Tiger Woods +10
Rory McIllroy +10
Bubba Watson +11
Jason Day +12
Matt Kuchar +12
Sergio Garcia +14
Ernie Els +17