Sponsored by Alex Nichols Agency 2nd-FG, $75K, Msw, 3yo, 6f, 1:30 p.m. Closing weekend at the Fair Grounds includes a pair of important maiden races on Saturday, as Juddmonte homebred CASTLEWARDEN (Into Mischief) heads to post four under Lasix as the morning line 5-2 favorite. Trained by Brad Cox and with the services of Florent Geroux, he is a full-brother to GII Pat O'Brien S. victor Laurel River. Castlewarden's dam Calm Water (Empire Maker) is a full-sister to MGISW Emollient, who herself has produced French GSW Raclette (GB) (Frankel {GB})...