Enzo Leopold is expected to be sidelined for several months after suffering an injury in training.
According to Bild, the Borussia Mönchengladbach midfielder is believed to have torn his ACL.
If the diagnosis is confirmed, Leopold will not be able to play again until 2027.
The central midfielder only joined Die Fohlen on a free transfer from Hannover 96 this summer.
He has made one appearance for Gladbach so far this season, playing 20 minutes.

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