Among the winners at the last Breeders' Cup, what was it that separated White Abarrio (Race Day), Goodnight Olive (Ghostzapper) and Nobals (Noble Mission {GB}) from the rest? Answer: they were the only ones that had changed hands at an American yearling auction, respectively for $7,500, $170,000 and $3,500. Even that lavish investor in the yearling market, Mike Repole, won the GI Breeders' Cup Juvenile with a homebred. Except for a couple of European turf juveniles, the rest of the show was a parade of champions raised by "end users":...