Rachel Alexandra is first filly to win the Triple-Crown 's second jewel since 1924 . `` She 's the greatest horse I 've ever been on in my life , '' jockey Calvin Borel said . TL;DR The Kentucky Derby winner will be ridden by trainer Todd Pletcher for her next start at Churchill Downs.
Rachel Alexandra is first filly to win the Triple-Crown 's second jewel since 1924 . `` She 's the greatest horse I 've ever been on in my life , '' jockey Calvin Borel said . Borel first jockey to ride separate horses to victory in Kentucky Derby , Preakness .