Kentucky Derby and Breeders’ Cup Classic winner Authentic retired

John Velazquez rides Authentic to win the Breeder's Cup Classic horse race at Keeneland Race Course, in Lexington, Ky., Saturday, Nov. 7, 2020. (AP Photo/Mark Humphrey)

LEXINGTON, Ky. — Authentic, winner of the Kentucky Derby and Breeders’ Cup Classic, has been retired to stud.