Florent Geroux celebrates after riding Gun Runner to victory in the Classic during the Breeders’ Cup horse races, Saturday, Nov. 4, 2017, at Del Mar Thoroughbred Club in Del Mar, Calif. (AP Photo/ …

Florent Geroux celebrates after riding Gun Runner to victory in the Classic during the Breeders’ Cup horse races, Saturday, Nov. 4, 2017, at Del Mar Thoroughbred Club in Del Mar, Calif. (AP Photo/Denis Poroy)