Preheat oven to 325°F. Place roast on rack in foil-lined roasting pan. Brush lightly with oil.
Make slits on surface of roast. Insert garlic slices in slits. Mix Italian seasoning, salt and pepper in small bowl. Rub evenly over entire roast.
Roast 1 1/2 hours or until desired doneness. Cover loosely with foil. Let stand 10 minutes before slicing.