With new coach Lukas Kwasniok at the helm, 1. FC Köln returns to the Bundesliga on Sunday in Mainz. We met the 44-year-old in Cologne ahead of the match. In an in-depth interview, the new Effzeh coach talks about his goals for the club, the winners of the pre-season, comparisons to Steffen Baumgart and the parallels between amateur and professional football.