Before the ball flight instructs whether a golf shot is good or bad, the sound at impact lets you know. His tee shot at the last echoed to the sweet thwack of mallet on tent peg and made Rory McIlroy feel a whole lot better about his day. The ball sailed straight down the middle. Not quite Tiger long, but long enough with the new Nike driver he had battled all day. Hitherto he was all over the ...