OAKMONT, Pennsylvania :Defending U.S. Open champion Bryson DeChambeau and record six-times runner-up Phil Mickelson were the high-profile players to miss the halfway cut at Oakmont Country Club on Friday. DeChambeau, who was bidding to become the first repeat U.S. Open champion since Brooks Koepka in 2018, carded a seven-over-par 77 in the second round that left him at 10 over on the week and three shots outside the projected seven over cut line. The big-hitting DeChambeau, a fan favorite who