Black Book Xpress: Horses to Follow from Santa Anita and Gulfstream Park on April 4th, 2019

Zoe Cadman and Jeff Siegel highlight horses from Santa Anita and Gulfstream Park to follow and bet back in their next starts. This week's horses to watch include: Abjure, Seismic Wave, Dr. Dorr, Confidently and Fly Away Birdie.