In this continuing series, TDN's Senior Racing Editor Steve Sherack catches up with the connections of promising maidens to keep on your radar. Against the flow of the race from the outset, Locked (c, 2, Gun Runner--Luna Rosa, by Malibu Moon) rallied smartly from last after some trouble at the start to finish a very encouraging third sprinting on debut at Saratoga Aug. 5. Chilly on the board at 12-1 for trainer Todd Pletcher, the Eclipse Thoroughbred Partners and Walmac Farm colorbearer was forced to take up sharply shortly after...