Nathan Tella was in action while Victor Boniface was benched as Bayer Leverkusen beat lower division club Kaiserslautern 1-0 in the final of the German Cup on Saturday. Tella was introduced for Jeremie Frimpong in the 90th minute to help see out the remainder of the game. Granit Xhaka’s 17th minute strike was enough to earn Leverkusen their first German Cup title since 1993. Also Read…