Borussia Mönchengladbach have entered the race alongside Celtic and Feyenoord...
https://raymondsbestdigest.tearosediner.net/which-spanish-clubs-usually-shop-for-bundesliga-goalkeepers
Borussia Mönchengladbach have entered the race alongside Celtic and Feyenoord to sign Hertha BSC goalkeeper Tjark Ernst, according to Bild