Black Book Xpress: Horses to Follow From Santa Anita Park, Gulfstream Park, Keeneland and Aqueduct on April 10th, 2018

Aaron Vercruysse and Jeff Siegel select horses to watch and bet back from last week at Gulfstream Park, Santa Anita Park, Keeneland and Aqueduct. This week's Black Book includes: Army Mule, Devamani, Daddy is a Legend, King Orb, Jazaalah, Lontani, Swayze and Ax Man.