Matt Dorman made an immediate impact when he entered the bloodstock sales last fall looking to build a new broodmare band at his Determined Stud. The Maryland native opened his buying spree at the Fasig-Tipton November sale where he purchased four mares--including the $1.1-million Desert Isle (Bernardini) in partnership with John Sikura's Hill 'n' Dale at Xalapa--for a total of $2.125 million. Dorman returns to Fasig-Tipton Tuesday, but this time as a seller as he offers three weanlings through Scott Mallory's consignment. "It's mixed emotions," Dorman said of Determined Stud's...