7th-Churchill Downs, $115,095, Msw, 5-2, 3yo/up, f/m, 6f, 1:09.85, ft, 2 1/4 lengths. SWEET AZTECA (f, 3, Sharp Azteca--So Sweetitiz {MSW, $180,480}, by Grand Slam) trained forwardly ahead of this debut, both at the Trackside training center and over the local strip, and was bet down from 8-1 to be off at just over 9-2 on debut. Hustled along to dispute the early pace through a quarter-mile in :20.82, the homebred grey maintained a narrow advantage as they raced around the turn. Bracing for an outside challenge from fellow firster...