Summary: LOUISVILLE, Ky. (AP) , The 139th running of the Kentucky Derby at Churchill Downs will have a field of 19 horses breaking from the starting gates at 6:24 p.m. EDT on Saturday. Just over two minutes later, a winner will emerge and thoroughbred racing will have its newest contender for a Triple Crown. The Preakness follows in two weeks and the Belmont Stakes is June 8.
