7th-Churchill Downs, $125,477, Alw (NW1X)/Opt. Clm ($100,000), 11-1, 2yo, f, 7f, 1:23.77, ft, 5 1/2 lengths. MUHIMMA (f, 2, Munnings--Princesa Carolina {SW & GISP, $453,619}, by Tapit) issued a sparkling debut with a 7 1/2-length statement at Churchill Downs Sept. 20 and she was stamped a 'TDN Rising Star' for her effort. Ready for the next level and well-backed at 31 cents on the dollar here, the filly tracked just off of a double-digit longshot up the backstretch. When the tap was given, the gray responded around the far turn,...