Bayer Leverkusen forward, Victor Boniface says the club have set their sight on winning the treble this season after claiming the Bundesliga crown. Xabi Alonso’s side defeated Werder Bremen 5-0 at the BayArena on Sunday to win their first-ever league title. Die Werkself are already through to the final of the DFB Pokal where they will take on Kaiserslautern. Leverkusen are also targeting the Europa League crown. The German side already have one leg in the semi-final of Europe’s second tier competition after defeating West Ham United 2-0 in the first leg of their quarter-final contest. “Of cour…