New names — and Rory McIlroy — top US Open leaderboard


              Phil Mickelson hits out of a bunker on the 15th hole during the first round of the U.S. Open golf tournament at The Country Club, Thursday, June 16, 2022, in Brookline, Mass. (AP Photo/Julio Cortez)
            
              Phil Mickelson hits on the 18th hole during the first round of the U.S. Open golf tournament at The Country Club, Thursday, June 16, 2022, in Brookline, Mass. (AP Photo/Robert F. Bukaty)
            
              Adam Hadwin, of Canada, watches his shot on the 11th hole during the first round of the U.S. Open golf tournament at The Country Club, Thursday, June 16, 2022, in Brookline, Mass. (AP Photo/Charlie Riedel)
            
              Adam Hadwin, of Canada, watches his shot on the 13th hole during the first round of the U.S. Open golf tournament at The Country Club, Thursday, June 16, 2022, in Brookline, Mass. (AP Photo/Charlie Riedel)
            
              Phil Mickelson reacts to the crowd on the eighth hole during the first round of the U.S. Open golf tournament at The Country Club, Thursday, June 16, 2022, in Brookline, Mass. (AP Photo/Charlie Riedel)
            
              Rory McIlroy, of Northern Ireland, reacts after a missed putt on the sixth hole during the first round of the U.S. Open golf tournament at The Country Club, Thursday, June 16, 2022, in Brookline, Mass. (AP Photo/Charles Krupa)
New names — and Rory McIlroy — top US Open leaderboard