Sent off the 9-10 chalk to build on a three-length maiden victory at Los Alamitos when last seen Dec. 11, Mrs. John Magnier, Michael Tabor and Derrick Smith's Under the Stars (Pioneerof the Nile) was made to work for it, but managed to tough out a narrow victory in Saturday's GIII Santa Ynez S. at Santa Anita. Away alertly enough from the inside stall, the bay--bred on a similar cross to the one that produced Triple Crown winner American Pharoah--held her spot at the fence while being shaded three wide...