New signing Victor Boniface scored twice and set up another goal as Bayer Leverkusen routed promoted Darmstadt 5-1 in the Bundesliga on Saturday. Jeremie Frimpong also starred for coach Xabi Alonso’s team, setting Boniface off on a run after two Darmstadt defenders crashed into each other. Serhou Guirassy and Chris Führich both scored twice as Stuttgart blew away Freiburg 5-0 …