World No . 3 Rory McIlroy ends three years association with manager Chubby Chandler . U.S. Open champion decides to join compatriot Chandler at Horizon . Chubby Chandler 's company wishes Graeme McDowell future success with his new agency . ( CNN ) -- Sergio Garcia takes two -shot lead at the halfway stage of Horizon Masters .
World No . 3 Rory McIlroy ends three years association with manager Chubby Chandler . U.S. Open champion decides to join compatriot Chandler at Horizon . Chubby Chandler 's company wishes Graeme McDowell future success with his new agency . Sergio Garcia takes two -shot lead at the halfway stage of Horizon Masters .