by Jessica Martini, Brian DiDonato & Christie DeBernardis LEXINGTON, KY - The Keeneland September Yearling Sale, led by a trio of million-dollar yearlings, opened with a day of steady trade in Lexington Monday. A total of 95 yearlings sold during the session for $38,172,000, at an average of $401,811 and a median of $325,000. "I think the trade was really strong," Keeneland's new vice president of sales Tony Lacy said at the close of business Monday. "The numbers may have stacked very comparably to last year, but I think there...