For the first year since 2008 there will be no Deep Impact (Jpn) foals born this season, but the late Shadai resident was still Japan's champion sire in 2020, a title he has held without pause since 2012. That was the year his eldest runners were four; he had also been champion first-season sire in 2010. He had already been responsible for former Horse of the Year Gentildonna (Jpn) but Deep Impact's crowning glory among his many talented colts has come posthumously, with his son Contrail (Jpn) having become his...