Rory McIlroy is one shot off the lead going into the third round of the US Open, but Shane Lowry has missed the cut at Brookline.
Meanwhile, Seamus Power is one over par after carding a 71 on Friday.
McIlroy recovered from a double bogey on the third hole in round two to card a 69 for a halfway total of four under par, one shot off the lead shared by Open champion Collin Morikawa and Joel Dahmen.
