3rd-Churchill Downs, $118,675, Msw, 5-28, 3yo/up, 6f, 1:09.04, ft, 2 3/4 lengths. TOP OF THE CHARTS (c, 3, Maclean's Music--Tiz Ro, by Hard Spun), bet down to 7.60-1 from a morning line of 12-1 found his way to the front in the early stages and widened through the final furlong to post an impressive 2 3/4-length debut success Saturday at Churchill Downs. The lone firster in a field of eight, the dark bay bounced well from the two hole and gradually--and with relative ease--worked his way to the front, covering...