Borussia Dortmund managing director for sport Lars Ricken called on the players to take responsibility after consecutive defeats to Real Madrid in the Champions League and Augsburg in the Bundesliga. In both cases, Dortmund had taken the lead, but couldn’t finish the game with a win. Ahead of the German Cup match against VfL Wolfsburg on Tuesday, Ricken asked “each individual to simply ask themselves how they can effectively use their individual quality, which ultimately brought them to Dortmund, in the interests of the team” in an interview to the Funke media group. Ricken backed coach Nuri S…