Black Book Xpress: Horses to Follow From Churchill Downs, Belmont and Santa Anita Park on May 16th, 2018

Aaron Vercruysse and Jeff Siegel select horses to follow and gamble on from last week at Santa Anita Park, Belmont Park and Churchill Downs. This week's Black Book includes: Pray for Leslie, Chestnut Street, Sparky Ville, Totally Boss, Conquest Typhoon and Rugbyman.