Borussia Dortmund will be without first choice goalkeeper Gregor Kobel in Sunday’s Bundesliga match against Hoffenheim due to an ongoing muscle problem, coach Edin Terzic has said. Kobel complained about pain while warming up for Tuesday’s Champions League match at PSV Eindhove, with Alexander Meyer taking his place on short notice. Meyer is also to deputise against Hoffenheim, and Terzic did not want to make a prediction how long Kobel will be missing, saying: “We have to wait and see how it develops over the coming weeks.” Forward Karim Adeyemi could return into the squad from injury for the…