DEL MAR, CA - Mrs. Fitri Hay's Starlust (GB) (Zoustar {Aus}), a longshot third in the GI Breeders' Cup Juvenile Turf Sprint at Santa Anita last year, added to a dream run for trainer Ralph Beckett and jockey Rossa Ryan with a 33-1 upset in an eventful renewal of the GI Breeders' Cup Turf Sprint at Del Mar. With the rail-drawn, 4-year-old filly Believing (Ire) (Mehmas {Ire}) a late scratch after flipping in the gate and delaying the start by a good 10 minutes, 4-5 favorite and world-record setter Cogburn...