Black Book Xpress: Four Horses to Follow From Santa Anita Park, Gulfstream Park and Golden Gate Fields on April 18th, 2019

Millie Ball and Jeff Siegel highlight four horses from Santa Anita Park, Gulfstream Park and Golden Gate Fields to follow and bet back in their next starts. This week's horses to watch include: Valiance, Spansih Magic, Mucho Amor and Tapped.