5th-Laurel, $48,520, Msw, 12-12, 2yo, 1m, 1:38.31, ft, 12 1/4 lengths. MANOR HOUSE (c, 2, Upstart--Cascina, by Dixie Union) could scarcely have been more impressive making his debut over Laurel's one-turn mile Saturday, as he drew off through the final furlong to graduate by 12 1/4 lengths. The Florida-bred was away to an uneventful beginning from the two hole and made the lead with a minimum of fuss, covering the opening half in :47.50 while taking mild pressure. He began to widen approaching the quarter pole, kicked farther in front...