Low scores have been hard to find during the first three hours of play at the 2018 U.S. Open.
Five players currently out on course at Shinnecock Hills Golf Club are under par, and there's reason to believe the number could dwindle as the round continues.
Plenty of top golfers experienced a rough start to the second major of the season, especially the marquee group of Rory McIlroy, Phil Mickelson and Jordan Spieth, who are a combined 14 over on their first five holes.
A steady start from Australia's Aaron Baddeley had him in the lead to start the morning, but the names at the top of the leaderboard have fluctuated more with the course playing tough.