Rory McIlroy recovered from a nightmare start to his second round to sneak through to the weekend at the US Open as defending champion Bryson DeChambeau suffered a shock early exit.

Sam Burns held the second round clubhouse lead at the U.S. Open on Friday as overnight leader J.J. Spaun struggled late at Oakmont Country Club while Rory McIlroy was flirting with the cutline and Bryson DeChambeau looked certain to head home early.