Churchill Downs's spring meeting will be headlined by 50 stakes races cumulatively worth a record $27.8-million with 22 of those black-type contests being run Kentucky Derby weekend with purses set at a record $19.1-million, the track announced Monday morning. Set to run Apr. 25 to June 28, the crown jewels of those 44 race dates will naturally be the GI Kentucky Derby and GI Kentucky Oaks, the latter of which will run under the lights in prime time for the first time on the NBC broadcast. Kentucky Derby Week (Apr....