When Storm Cat first entered stud at W.T. Young's Overbrook Farm near Lexington, in 1988, his initial fee was $30,000. That figure dropped to its lowest for the 1991 season: $20,000.

The shift in sire power at the marathon Keeneland September yearling sale could result in a decreased stud fee for Storm Cat and a limit on the number of mares to be bred to the most expensive ...