Allasera has been a boomerang horse for Trent Yesberg and the Rangiora horseman isn't complaining one bit. Yesberg's father, Paul, bred the now six-year-old gelding under his Yesberg Bloodstock Ltd banner and sold him as a yearling for $36,000 to syndicator Go Racing, who entrusted him to Riccarton trainer Andrew Carston for the early part[...]