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

https://www.slideserve.com/christina_williams00/if-ernst-leaves-does-hertha-get-the-full-5m-right-away

Borussia Monchengladbach have entered the race alongside Celtic and Feyenoord to sign Hertha BSC goalkeeper Tjark Ernst. According to Bild, Ernst’s contract includes a €5 million release clause, making a move feasible this transfer window