Derby workers

Godolphin's Essential Quality (Tapit) headlined a quintet of hopefuls that put in their final major works at Churchill Downs Saturday morning ahead of next weekend's Run for the Roses. Also working on an overcast morning were Juddmonte Farms' Mandaloun (Into Michief), Klaravich Stables' Highly Motivated (Into Mischief), Erv Woolsey and Keith Asmussen's Super Stock (Dialed In) and Fern Circle Stables and Three Chimneys Farm's King Fury (Curlin). Heading the Brad Cox Derby team, last season's juvenile champ worked five furlongs in 1:00.40. With exercise rider Edvin Vargas aboard, the likely...