Adam Hadwin is the first round leader at the 122nd U.S. Open in Massachusetts. He shot a 4-under 66 to lead five players, including Rory McIlroy by one stroke. Defending champion Jon Rahm shot a 1-under 69.
Phil Mickelson’s quest to complete a career grand slam with an Open win took a hit Thursday when he shot well over par and is in danger of missing the cut.