This year's GI Kentucky Derby winner, Mage (Good Magic--Puca, by Big Brown), will stand at stud at Airdrie Stud upon his retirement from racing, Airdrie announced Wednesday. The chestnut, who was bred in Kentucky by Grandview Equine, will continue to race for the ownership team of OGMA Investments, Ramiro Restrepo, Sterling Racing and Commonwealth Thoroughbreds. Currently being pointed for the GI Longines Breeders' Cup Classic, Mage has earned $2,507,450 to date in a career that includes runner-up efforts in the GI Haskell S. and GI Florida Derby as well as...