Exercise rider Willie Delgado, center, pats California Chrome as they wait for the track to open during morning workouts for the Breeders' Cup races at Santa Anita Park Tuesday, Oct. 28, 2014, in Arcadia.
Exercise rider Willie Delgado, center, pats California Chrome as they wait for the track to open during morning workouts for the Breeders' Cup races at Santa Anita Park Tuesday, Oct. 28, 2014, in Arcadia. Jae C. Hong AP
Exercise rider Willie Delgado, center, pats California Chrome as they wait for the track to open during morning workouts for the Breeders' Cup races at Santa Anita Park Tuesday, Oct. 28, 2014, in Arcadia. Jae C. Hong AP