2nd-Churchill Downs, $127,840, Alw (NW2X)/Opt. Clm ($125,000), 5-19, 3yo, f, 6f, 1:10.28, ft, 8 3/4 lengths. DAZZLING BLUE (f, 3, Into Mischief--Blue Violet {SW & MGSP, $237,356}, by Curlin) broke her maiden on debut last fall at Churchill Downs when she won by 4 1/2 lengths and then shipped to her trainer's winter base in December where she won the Letellier Memorial S. by 3 lengths at Fair Grounds before going to the bench. Off as the 4-5 favorite here, the bay filly seized the lead down the backstretch after...