DEL MAR, CA -- Unbeaten 'TDN Rising Star' Jack Christopher (Munnings), the 9-5 morning-line favorite for Friday's GI Breeders' Cup Juvenile at Del Mar, was scratched on the advice of the veterinarians at the Breeders' Cup, according to Bradley Weisbord of BSW Bloodstock, who serves as Jim Bakke's racing manager. "(Trainer) Chad (Brown) called me at 6:00 last night to say he had gutting news. He said, `They're not going to let him run.' I just said, `What's wrong?' and he said, `they said he's got a left shin.' For...