Due to changes in racetrack schedules and auction sales dates as a result of COVID-19 restrictions, the Breeders' Cup announced Monday that it's extending the discount deadline for horses of racing age to Saturday, Aug. 15. All horses must be Breeders' Cup-nominated in order to compete in the Breeders' Cup World Championships, which is scheduled to be held at Keeneland Nov. 6-7. The original horses of racing age nomination discount deadline was July 15. "Although most Breeders' Cup nominated horses join the program as weanlings, there are a few each...