► Sub now: http://redirect.bundesliga.com/_bwBdIn both Jürgen Klopp and Thomas Tuchel's coaching careers, they followed up a job at Mainz with a move to Borussia Dortmund. In April 2010, they faced each other on Jürgen Klopp's first trip back to Mainz as an opposition coach.His Borussia Dortmund side took on Tuchel's Mainz but it wasn't to be a winning return for Klopp as a victory for the hosts secured their place in the division for the following season.Mainz host Borussia Dortmund on Matchday 9 of the 2015/16 season.The Official Bundesliga YouTube channel gives you access to clips from Germany's football league that you won't find anywhere else. Visit us at www.youtube.com/bundesliga to see what all the noise is about! Subscribe now! http://goo.gl/MuJEUZ - - For all the latest news please head to http://www.bundesliga.com!