Nine juveniles are expected to line up for the GIII Best Pal S.--the lone U.S. graded event on the docket Sunday-- at Del Mar and a full third of them are by freshman sire Bolt d'Oro. Kaleem Shah's Arman (Bolt d'Oro), $600,000 OBS March acquisition, was tabbed a 'TDN Rising Star' following his smashing five-furlong debut at Churchill Downs June 23 and is the 5-2 morning-line favorite in the six-furlong affair. Muir Hut Stables' Agency (Bolt d'Oro), a $400,000 OBS March graduate, also broke his maiden on debut, going five...