There is a four-way tie atop the leaderboard after a windy first day of the U.S. Open. Scott Piercy, Ian Poulter, Russell Henley and Dustin Johnson all shot a one-under 69 in Thursday's first round at Shinnecock Hills. Jason Dufner is one shot back in fifth at even par. Seven others are at one-over. Phil Mickelson is at seven-over par, while Tiger Woods is at eight-over.