Freiburg's midfielder Daniel Caligiuri (L) and Wolfsburg's midfielder Christian Traesch vie for the ball during the German first division Bundesliga football match SC Freiburg vs Wolfsburg in Freiburg, southern Germany, on March 9, 2013. AFP PHOTO / SEBASTIEN BOZON
Credit: SEBASTIEN BOZON
Christian Traesch (R) of Wolfsburg reacts with his keeper Diego Benaglio during the Bundesliga match between FC Bayern Muenchen and VfL Wolfsburg at Allianz Arena on September 28, 2013 in Munich, Germany.
Credit: Alexander Hassenstein
Christian Traesch (L) of Wolfsburg and Jan Rosenthal of Frankfurt compete during the Bundesliga match between VfL Wolfsburg and Eintracht Frankfurt at Volkswagen Arena on March 29, 2014 in Wolfsburg, Germany.
Credit: Ronny Hartmann
Christian Traesch (C) of Wolfsburg reacts before being sent off by referee Markus Schmidt during the Bundesliga match between 1899 Hoffenheim and VfL Wolfsburg at Wirsol Rhein-Neckar-Arena on March 2, 2014 in Sinsheim, Germany.
Credit: Alex Grimm
Daniel Caligiuri (R) of VfL Wolfsburg celebrates with his team-mate Christian Trasch (L) after scoring the opening goal during the UEFA Europa League Round of 16 match between FC Internazionale Milano and VfL Wolfsburg at Stadio Giuseppe Meazza on March 19, 2015 in Milan, Italy.
Credit: Marco Luzzani
Diego (front) of Wolfsburg celebrates his team's second goal with team mate Christian Traesch during the DFB Cup first round match between Karlsruher SC and VfL Wolfsburg at Wildparkstadion on August 3, 2013 in Karlsruhe, Germany.
Credit: Alex Grimm
Christian Trasch of VfL Wolfsburg competes for the ball with Davide Santon of FC Internazionale Milano during the UEFA Europa League Round of 16 match between FC Internazionale Milano and VfL Wolfsburg at Stadio Giuseppe Meazza on March 19, 2015 in Milan, Italy.