High Quality Content by WIKIPEDIA articles! Dancer`s Image (1965–1992) was an American Thoroughbred racehorse who is the only winner in the history of the Kentucky Derby to have been disqualified. Owned and bred by businessman Peter Fuller, the son of former Massachusetts Governor Alvan T. Fuller, the colt was trained by Lou Cavalaris, Jr. and ridden in the Derby by jockey Bobby Ussery.