EUGENE, Ore. — Sage Stobbart scored all 11 of her points in the second half and UC Davis ended No. 18 Oregon’s 44-game home winning streak against nonconference opponents with a 64-57 victory on Wednesday night It was the Aggies’ first win over a nationally ranked opponent since moving to Division I in 2003. Stobbart sank a 3-pointer to open the second half for the Aggies