2018 U.S. Open Leaderboard, Updates

It was a rough opening round at the U.S. Open Thursday, where only four players managed to stay under par… barely. Dustin Johnson, Russell Henley, Ian Poulter, and Scott Piercy finished the day in a four-way tie for first at 1-under par. Jason Dufner came in at even-par.
Many of the favorites and players to watch found themselves well down the leaderboard when the day ended.
The marquee group of Jordan Spieth, Phil Mickelson and Rory McIlroy had their problems. Mickelson (77) was the