LEXINGTON, KY - The Keeneland September Yearling Sale entered Book 3 with a session dominated by colts as buyers targeted stallion prospects Saturday in Lexington. Leading the way was a son of Practical Joke who sold for $900,000 to the bid of Monique Delk, bidding on behalf of Vinnie Viola's St. Elias Stable. During Saturday's session, 273 yearlings grossed $47,904,000 for an average of $175,473 and a median of $150,000. The average was up 7.09% and the median rose 15.38% from the corresponding session a year ago when 285 head...