Rory McIlroy is shifting into his head-to-head mode for the WGC-Dell Match Play tournament starting on Wednesday, and believes a successful defense of his title would set him up perfectly for next month's Masters. McIlroy, 26, heads to Austin Country Club seeking his first win of the season in what will be his last tournament before bidding to complete a career grand slam at Augusta National. The Northern Irishman is competing for the first time in Austin, where world number one Jordan Spieth won the U.S. college championship with the University of Texas, but the world number three said course knowledge is not critical. More...