A pair of juveniles from the Top Line Sales consignment led the penultimate OBS March under-tack show session Friday with a Drain the Clock filly (hip 508) and a Golden Pal colt (hip 598) sharing the co-fastest furlong breeze in :9 3/5. Setting the mark first of the two, the day's fastest-working colt was one that Top Line's Jimbo Gladwell admitted they stretched on to acquire for $275,000 at the Fasig-Tipton New York Saratoga Select Yearling Sale last August. "He had size and a beautiful walk [at Saratoga]," Gladwell said....