Rory McIlroy withdraws from Arnold Palmer Invitational citing back injury

[Photo: Tracy Wilcox] World No.2 Rory McIlroy withdrew from the $US20 million Arnold Palmer Invitational prior to the start of his 12:55pm third-round tee time, citing a back injury. RELATED: Relieve your back pain in less than 10 minutes with this simple workout According to Golf Channel’s Todd Lewis, McIlroy left the practice range at Read more…