LEXINGTON, KY - The Keeneland September Yearling Sale lost none of its momentum during a dark day Friday, returning with an opening Book 3 section that featured strong demand from start to finish in Lexington Saturday. During the session, 269 head sold for $45,003,000. The session average was $167,297--up 53.46% from last year's Book 3 opener which was held amidst the uncertainty of the pre-vaccination pandemic--and the median increased 58.82% to $135,000. With just 92 horses reported not sold, the buy-back rate Saturday was 25.48%. It was 40.12% a year...