Latest: Rory McIlroy back in the mix after 68

McIlroy admitted the putt he holed on the 18th green on Thursday gave him a much-needed boost.

Update 3.07pm: Rory McIlroy has signed for a second round 68 at the Open.

He's one under heading into the weekend at Royal Birkdale and four shots behind leaders Jordan Spieth and Brooks Koepa who have just teed off.