Rory McIlroy made a run of costly late bogeys as he slipped to a four-over-par opening round at the FedEx St Jude Championship in Memphis.
The Northern Irishman had been aiming to rebuild some momentum heading into the PGA Tour Play-offs, following a run of disappointing results after his successful defence of his Masters title in April – which included tied for 40th at The Open at Royal Birkdale.