The Keeneland September yearling sale, considered the bellwether for the North American yearling marketplace, is set to run from Sept. 13-24 in Lexington, Ky. Alongside and following that sale, commercial activity in the yearling marketplace will continue around the country at Fasig-Tipton, the Ocala Breeders' Sales Co., and more. Our annual special edition, presented by Stonestreet Farm, previews these sales and takes an in-depth look at various aspects of the marketplace, stallions and trends to watch, and more. Read individual stories at the links below, or download this complete special edition as a PDF. Sales previews Keeneland September looks for international boost Keeneland introduces RNA Reoffer Hips to watch at Keeneland September Abercrombie's Pin Oak Stud continues dispersal 2021 fall yearling sales calendar, presented by OBS First-crop yearling sires Justify, Mendelssohn's first yearlings up next for Scat Daddy West Coast flying below radar in strong trio Hopes high for champion Good Magic Bolt d'Oro off to fast start Mo Town, by Uncle Mo, brings versatility Good Samaritan a young stallion to watch More sales features Stonestreet looks to continue run of racetrack, auction success Tech innovations continue at sales Late Sheikh Hamdan made impact on Keeneland sales Late sires well-represented at fall sales