Sy Dog (Slumber {GB}) looks to keep his perfect record intact as the likely favorite in the GII American Turf S. at Churchill Downs Saturday. A decisive winner at first asking at Belmont in October, the dark bay rallied to win by a nose in Aqueduct's Central Park S. Nov. 27. He was last seen slingshotting to victory in Keeneland's GIII Kentucky Utilities Transylvania S. last out Apr. 8. Transylvania third-place finisher Coinage (Tapit) also returns here. Winner of last term's GIII With Anticipation S. at Saratoga, the chestnut checked...