This Thursday, Chelsea and 1. FC Heidenheim 1846 meet on matchday four of the Conference League, in what could be the most high-profile duel in the German club’s history. This Thursday, Chelsea and 1. FC Heidenheim 1846 meet in the fourth round of the Conference League, in what will be the most publicized game in the history of the German club. Goalkeeper Kevin Müller shared some details about how the team has been dealing with tonight’s duel. “I’m happy to be able to play against a team like this in a competitive game, internationally. It’s something very special! We’re all…