The Bianconeri’s only loss in their last 30 fixtures since an injury-time reverse at Genoa in October came in the first leg of their Coppa Italia semi-final clash with Fiorentina. But Tuesday’s systematic dismantling of the Viola in the return at the Artemio Franchi excised the 2-1 loss at Juventus Stadium from the record books and reinvigorated treble talk in Turin.