Kentucky Derby to run with 19 horses after Puma scratched.

The Kentucky Derby will be run with 19 horses after The Puma was scratched due to a leg infection, officials announced less than 12 hours before the race. The horse, trained by Gustavo Delgado Sr. and Jr., was ruled out past the deadline for a replacement. This marks the fourth scratch this week, with Great White, Ocelli, and Robusta entering the field. The race remains set for Saturday at Churchill Downs.