Trainer Doug O'Neill's Hot Rod Charlie (Oxbow) began tightening the screws for the Nov. 6 GI Breeders' Cup Classic with a four-furlong move at Santa Anita Saturday morning. Out at 7:45 a.m., the popular dark bay, known for his gritty style, had Mike Smith in the irons. The Hall of Famer was filling in for regular rider Flavien Prat, who was riding at Keeneland Saturday. "He went a half-mile in 48 and change and galloped out in 1:01 and three," said O'Neill. "He looked good. It was his first piece...