2nd-Churchill Downs, $108,750, Msw, 5-1, 2yo, 4 1/2f, :52.59, ft, 1 3/4 lengths. MERCILESANIHILATOR (c, 2, Audible--Gadabout, by Bodemeister) looked in all sorts of trouble heading for home, but got his second wind in the final furlong to give this owner, trainer and jockey Jareth Loveberry their second straight success in as many days with a debuting 2-year-old beneath the Twin Spires. Sassy C W (Yaupon) became a new 'TDN Rising Star' in the fillies' equivalent exactly 24 hours prior. Sent off at odds just shy of 6-5, the April...