Borussia Monchengladbach have entered the race alongside Celtic and Feyenoord...

https://emilysimpressivewords.almoheet-travel.com/could-hertha-replace-tjark-ernst-if-he-leaves-this-summer

Borussia Monchengladbach have entered the race alongside Celtic and Feyenoord to sign Hertha BSC goalkeeper Tjark Ernst. According to Bild, Ernst's release clause is set at €5 million, making a move this summer a clear possibility