Fresh off his lifetime-best 1:50.4 performance in the Breeders Crown 3-Year-Old Colt and Gelding Trot, Diabolic Hill scored the third graded stakes triumph of his career in the $124,200 Grade 2 Matron Stakes for sophomore male trotters on Thursday (Nov. 12) at Bally’s Dover, keeping a challenge from AI 1-3/4 lengths at bay.