Javier Castellano on The Puma after PaDerby winner works for likely start in BC Classic

We catch up with Hall of Fame jockey Javier Castellano after The Puma works five-eighths of a mile in 1:04.40 Friday morning at Keeneland for a start in either the Breeders' Cup Classic or Dirt Mile. Among other things, Castellano talks about the disappointment of The Puma being scratched the morning of the Kentucky Derby and the excitement of his victory in the Grade 1, $1 million Pennsylvania Derby.