Desc: Dark Horses: Directed by Castor Fernandez. With Pat Day, Pat Valenzuela, Arthur B. Hancock III, Seth Hancock. A documentary about the legendary 1989 rivalry between Thoroughbred racehorses Sunday Silence and Easy Goer. They met in the Triple Crown races, and Sunday Silence won the Kentucky Derby and the Preakness, while Easy Goer won the Belmont.