Rags-to-riches is a favorite theme among racing fans, and a California-bred gelding named Amazombie was only too willing to fill that order in 2011. A mere throw-in in a $5,000 two-horse deal as a yearling, Amazombie turned back all comers in winning the Sentient Jet Breeders’ Cup Sprint at Churchill Downs to cap an unforgettable season for his trainer, Bill Spawr, who co-owns the gelding with Thomas Sanford.