Churchill Downs has entered into an agreement with Australian-based Steriline Racing to design and construct a new custom-made, 20-stall starting gate that will be used for the 146th running of the GI Kentucky Derby Saturday, May 2, the track announced Monday. The new starting gate will be utilized exclusively for the Kentucky Derby and will replace Churchill Downs' standard starting gate, which will continue to be used for all other races. A six-stall "auxiliary starting gate" addition, which was attached to Churchill's main 14-horse starting gate, was first used in...