Borussia Monchengladbach have joined Celtic and Feyenoord in pursuing Hertha...

https://city-wiki.win/index.php/How_Big_Is_the_Step_from_Hertha_to_Gladbach_for_a_Keeper%3F

Borussia Monchengladbach have joined Celtic and Feyenoord in pursuing Hertha BSC goalkeeper Tjark Ernst, according to Bild