In the Kentucky Derby, Sandman, who does his best running late, did not handle the kickback from the herd of horses in front of him, according to Hall of Fame trainer Mark Casse. “The issue in the Derby was 18 horses throwing mud at you,” Casse said. “If you are up close to the horses in front of you, the kickback is not as hard, but if you get about 10 yards behind and it hits you, it means something and it hurts. He never got comfortable.” Thus, Casse is hoping for sunny skies and a dry track