US PGA: Rory McIlroy says golf is his 'life' after Wozniacki break-up

World number one Rory McIlroy says golf is his "life" after his break-up with tennis player Caroline Wozniacki. The Northern Irishman carded a four-under-par 67 on Friday to lead the US PGA at Valhalla at the halfway point. via Pocket http://ift.tt/XPGbP5